3556432 has 40 divisors (see below), whose sum is σ = 7624512. Its totient is φ = 1606880.

The previous prime is 3556393. The next prime is 3556447. The reversal of 3556432 is 2346553.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3³ + 5³ + 5⁹ + 6⁵ + 4⁵ + 3¹³ + 2⁵ .

Its product of digits (10800) is a multiple of the sum of its prime divisors (180).

It is a self number, because there is not a number n which added to its sum of digits gives 3556432.

It is a congruent number.

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, 21213 + ... + 21379.

Almost surely, 2^3556432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3556432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3812256).

3556432 is an abundant number, since it is smaller than the sum of its proper divisors (4068080).

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

3556432 is a wasteful number, since it uses less digits than its factorization.

3556432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 180 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 3556432 is about 1885.8504712728. The cubic root of 3556432 is about 152.6411056239.

The spelling of 3556432 in words is "three million, five hundred fifty-six thousand, four hundred thirty-two".