3213632 has 28 divisors (see below), whose sum is σ = 6438900. Its totient is φ = 1591296.

The previous prime is 3213619. The next prime is 3213659. The reversal of 3213632 is 2363123.

It can be written as a sum of positive squares in 2 ways, for example, as 602176 + 2611456 = 776^2 + 1616^2 .

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, 9368 + ... + 9704.

Almost surely, 2^3213632 is an apocalyptic number.

3213632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3213632 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3213632 is a wasteful number, since it uses less digits than its factorization.

3213632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 488 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 3213632 is about 1792.6605925272. The cubic root of 3213632 is about 147.5702164967.

Adding to 3213632 its reverse (2363123), we get a palindrome (5576755).

The spelling of 3213632 in words is "three million, two hundred thirteen thousand, six hundred thirty-two".