3213655248 has 40 divisors (see below), whose sum is σ = 8790294528. Its totient is φ = 1008205312.

The previous prime is 3213655219. The next prime is 3213655259. The reversal of 3213655248 is 8425563123.

It is a happy number.

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, 1968336 + ... + 1969967.

Almost surely, 2^3213655248 is an apocalyptic number.

It is an amenable number.

3213655248 is an abundant number, since it is smaller than the sum of its proper divisors (5576639280).

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

3213655248 is a wasteful number, since it uses less digits than its factorization.

3213655248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938331 (or 3938325 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 3213655248 is about 56689.1104886997. The cubic root of 3213655248 is about 1475.7057234583.

The spelling of 3213655248 in words is "three billion, two hundred thirteen million, six hundred fifty-five thousand, two hundred forty-eight".