3861460512 has 672 divisors, whose sum is σ = 14992532352. Its totient is φ = 949542912.

The previous prime is 3861460511. The next prime is 3861460523. The reversal of 3861460512 is 2150641683.

It is a happy number.

3861460512 is a `hidden beast` number, since 3 + 86 + 1 + 4 + 60 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3861460511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 36088363 + ... + 36088469.

It is an arithmetic number, because the mean of its divisors is an integer number (22310316).

Almost surely, 2^3861460512 is an apocalyptic number.

3861460512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3861460512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7496266176).

3861460512 is an abundant number, since it is smaller than the sum of its proper divisors (11131071840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3861460512 is a wasteful number, since it uses less digits than its factorization.

3861460512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3861460512 is about 62140.6510426146. The cubic root of 3861460512 is about 1568.8588285913.

The spelling of 3861460512 in words is "three billion, eight hundred sixty-one million, four hundred sixty thousand, five hundred twelve".