3874432 has 16 divisors (see below), whose sum is σ = 7718850. Its totient is φ = 1937152.

The previous prime is 3874417. The next prime is 3874433. The reversal of 3874432 is 2344783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 1132096 = 1656^2 + 1064^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×3874432² = 30022446645248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3874394 and 3874403.

It is not an unprimeable number, because it can be changed into a prime (3874433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15007 + ... + 15262.

Almost surely, 2^3874432 is an apocalyptic number.

3874432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3874432 is a deficient number, since it is larger than the sum of its proper divisors (3844418).

3874432 is an equidigital number, since it uses as much as digits as its factorization.

3874432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30283 (or 30271 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 3874432 is about 1968.3576910714. The cubic root of 3874432 is about 157.0613578179.

The spelling of 3874432 in words is "three million, eight hundred seventy-four thousand, four hundred thirty-two".