3557424 has 40 divisors (see below), whose sum is σ = 9898672. Its totient is φ = 1094400.

The previous prime is 3557381. The next prime is 3557431. The reversal of 3557424 is 4247553.

It is a junction number, because it is equal to n+sod(n) for n = 3557391 and 3557400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 3474.

Almost surely, 2^3557424 is an apocalyptic number.

It is an amenable number.

3557424 is an abundant number, since it is smaller than the sum of its proper divisors (6341248).

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

3557424 is a wasteful number, since it uses less digits than its factorization.

3557424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725 (or 5719 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 3557424 is about 1886.1134642433. The cubic root of 3557424 is about 152.6552964291.

It can be divided in two parts, 355742 and 4, that added together give a triangular number (355746 = T₈₄₃).

The spelling of 3557424 in words is "three million, five hundred fifty-seven thousand, four hundred twenty-four".