3870912 has 28 divisors (see below), whose sum is σ = 10242296. Its totient is φ = 1290240.

The previous prime is 3870899. The next prime is 3870913. The reversal of 3870912 is 2190783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3870912.

It is not an unprimeable number, because it can be changed into a prime (3870913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9889 + ... + 10272.

Almost surely, 2^3870912 is an apocalyptic number.

3870912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3870912 is an abundant number, since it is smaller than the sum of its proper divisors (6371384).

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

3870912 is a wasteful number, since it uses less digits than its factorization.

3870912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176 (or 20166 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3870912 is about 1967.4633414628. The cubic root of 3870912 is about 157.0137789305.

Adding to 3870912 its product of nonzero digits (3024), we get a triangular number (3873936 = T₂₇₈₃).

The spelling of 3870912 in words is "three million, eight hundred seventy thousand, nine hundred twelve".