669832884 has 36 divisors (see below), whose sum is σ = 1935073504. Its totient is φ = 191380752.

The previous prime is 669832879. The next prime is 669832901. The reversal of 669832884 is 488238966.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 669832884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328782 + ... + 1329285.

Almost surely, 2^669832884 is an apocalyptic number.

It is an amenable number.

669832884 is an abundant number, since it is smaller than the sum of its proper divisors (1265240620).

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

669832884 is a wasteful number, since it uses less digits than its factorization.

669832884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658084 (or 2658079 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 669832884 is about 25881.1298825998. The cubic root of 669832884 is about 874.9612539033.

The spelling of 669832884 in words is "six hundred sixty-nine million, eight hundred thirty-two thousand, eight hundred eighty-four".