3870185670 has 192 divisors, whose sum is σ = 11358494784. Its totient is φ = 942451200.

The previous prime is 3870185659. The next prime is 3870185701. The reversal of 3870185670 is 765810783.

3870185670 is a `hidden beast` number, since 3 + 8 + 70 + 18 + 567 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3189984 + ... + 3191196.

It is an arithmetic number, because the mean of its divisors is an integer number (59158827).

Almost surely, 2^3870185670 is an apocalyptic number.

3870185670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3870185670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5679247392).

3870185670 is an abundant number, since it is smaller than the sum of its proper divisors (7488309114).

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

3870185670 is a wasteful number, since it uses less digits than its factorization.

3870185670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 3870185670 is about 62210.8163424979. The cubic root of 3870185670 is about 1570.0395773490.

The spelling of 3870185670 in words is "three billion, eight hundred seventy million, one hundred eighty-five thousand, six hundred seventy".