3861669006 has 128 divisors (see below), whose sum is σ = 9454193280. Its totient is φ = 1175731200.

The previous prime is 3861669001. The next prime is 3861669013. The reversal of 3861669006 is 6009661683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861669001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6425106 + ... + 6425706.

It is an arithmetic number, because the mean of its divisors is an integer number (73860885).

Almost surely, 2^3861669006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3861669006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4727096640).

3861669006 is an abundant number, since it is smaller than the sum of its proper divisors (5592524274).

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

3861669006 is a wasteful number, since it uses less digits than its factorization.

3861669006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 3861669006 is about 62142.3286174569. The cubic root of 3861669006 is about 1568.8870641743.

The spelling of 3861669006 in words is "three billion, eight hundred sixty-one million, six hundred sixty-nine thousand, six".