3264886638 has 48 divisors (see below), whose sum is σ = 7631114400. Its totient is φ = 1002860352.

The previous prime is 3264886609. The next prime is 3264886643. The reversal of 3264886638 is 8366884623.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128520 + ... + 151812.

It is an arithmetic number, because the mean of its divisors is an integer number (158981550).

Almost surely, 2^3264886638 is an apocalyptic number.

3264886638 is an abundant number, since it is smaller than the sum of its proper divisors (4366227762).

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

3264886638 is a wasteful number, since it uses less digits than its factorization.

3264886638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913 (or 23910 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The square root of 3264886638 is about 57139.1865360367. The cubic root of 3264886638 is about 1483.5062106916.

The spelling of 3264886638 in words is "three billion, two hundred sixty-four million, eight hundred eighty-six thousand, six hundred thirty-eight".