3387432 has 64 divisors (see below), whose sum is σ = 9100800. Its totient is φ = 1048320.

The previous prime is 3387421. The next prime is 3387443. The reversal of 3387432 is 2347833.

It is an interprime number because it is at equal distance from previous prime (3387421) and next prime (3387443).

It is a super-2 number, since 2×3387432² = 22949391109248, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3387432.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21498 + ... + 21654.

It is an arithmetic number, because the mean of its divisors is an integer number (142200).

Almost surely, 2^3387432 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 3387432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4550400).

3387432 is an abundant number, since it is smaller than the sum of its proper divisors (5713368).

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

3387432 is a wasteful number, since it uses less digits than its factorization.

3387432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 222 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 3387432 is about 1840.4977587598. The cubic root of 3387432 is about 150.1839520964.

Adding to 3387432 its product of digits (12096), we get a triangular number (3399528 = T₂₆₀₇).

The spelling of 3387432 in words is "three million, three hundred eighty-seven thousand, four hundred thirty-two".