3775872 has 32 divisors (see below), whose sum is σ = 10030680. Its totient is φ = 1258496.

The previous prime is 3775861. The next prime is 3775883. The reversal of 3775872 is 2785773.

It is an interprime number because it is at equal distance from previous prime (3775861) and next prime (3775883).

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 3775872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533 + ... + 5300.

Almost surely, 2^3775872 is an apocalyptic number.

3775872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3775872 is an abundant number, since it is smaller than the sum of its proper divisors (6254808).

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

3775872 is an equidigital number, since it uses as much as digits as its factorization.

3775872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9850 (or 9838 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 3775872 is about 1943.1603124807. The cubic root of 3775872 is about 155.7180970686.

Subtracting from 3775872 its reverse (2785773), we obtain a palindrome (990099).

The spelling of 3775872 in words is "three million, seven hundred seventy-five thousand, eight hundred seventy-two".