3765872 has 20 divisors (see below), whose sum is σ = 7960056. Its totient is φ = 1711680.

The previous prime is 3765871. The next prime is 3765889. The reversal of 3765872 is 2785673.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3765871) 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, 10523 + ... + 10874.

Almost surely, 2^3765872 is an apocalyptic number.

It is an amenable number.

3765872 is an abundant number, since it is smaller than the sum of its proper divisors (4194184).

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

3765872 is a wasteful number, since it uses less digits than its factorization.

3765872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21416 (or 21410 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 3765872 is about 1940.5854786636. The cubic root of 3765872 is about 155.5805078642.

The spelling of 3765872 in words is "three million, seven hundred sixty-five thousand, eight hundred seventy-two".