3865672170 has 48 divisors (see below), whose sum is σ = 10579739040. Its totient is φ = 976590432.

The previous prime is 3865672147. The next prime is 3865672201. The reversal of 3865672170 is 712765683.

3865672170 is a `hidden beast` number, since 3 + 86 + 567 + 2 + 1 + 7 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1128604 + ... + 1132023.

It is an arithmetic number, because the mean of its divisors is an integer number (220411230).

Almost surely, 2^3865672170 is an apocalyptic number.

3865672170 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3865672170 is an abundant number, since it is smaller than the sum of its proper divisors (6714066870).

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

3865672170 is a wasteful number, since it uses less digits than its factorization.

3865672170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260659 (or 2260656 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 3865672170 is about 62174.5299137838. The cubic root of 3865672170 is about 1569.4290011142.

The spelling of 3865672170 in words is "three billion, eight hundred sixty-five million, six hundred seventy-two thousand, one hundred seventy".