3291472 has 20 divisors (see below), whose sum is σ = 6752916. Its totient is φ = 1548800.

The previous prime is 3291469. The next prime is 3291481. The reversal of 3291472 is 2741923.

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 207936 = 1756^2 + 456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3291472.

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, 5779 + ... + 6322.

Almost surely, 2^3291472 is an apocalyptic number.

It is an amenable number.

3291472 is an abundant number, since it is smaller than the sum of its proper divisors (3461444).

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

3291472 is a wasteful number, since it uses less digits than its factorization.

3291472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12126 (or 12120 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 3291472 is about 1814.2414392798. The cubic root of 3291472 is about 148.7521968463.

The spelling of 3291472 in words is "three million, two hundred ninety-one thousand, four hundred seventy-two".