3219861252 has 36 divisors (see below), whose sum is σ = 7763210448. Its totient is φ = 1038661200.

The previous prime is 3219861187. The next prime is 3219861299. The reversal of 3219861252 is 2521689123.

It is a self number, because there is not a number n which added to its sum of digits gives 3219861252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128074 + ... + 151137.

Almost surely, 2^3219861252 is an apocalyptic number.

It is an amenable number.

3219861252 is an abundant number, since it is smaller than the sum of its proper divisors (4543349196).

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

3219861252 is a wasteful number, since it uses less digits than its factorization.

3219861252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279280 (or 279247 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 3219861252 is about 56743.8212671653. The cubic root of 3219861252 is about 1476.6550419101.

The spelling of 3219861252 in words is "three billion, two hundred nineteen million, eight hundred sixty-one thousand, two hundred fifty-two".