869043628 has 24 divisors (see below), whose sum is σ = 1532832560. Its totient is φ = 431101440.

The previous prime is 869043607. The next prime is 869043647. The reversal of 869043628 is 826340968.

It is a happy 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, 657208 + ... + 658528.

Almost surely, 2^869043628 is an apocalyptic number.

It is an amenable number.

869043628 is a deficient number, since it is larger than the sum of its proper divisors (663788932).

869043628 is a wasteful number, since it uses less digits than its factorization.

869043628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 869043628 is about 29479.5459259467. The cubic root of 869043628 is about 954.2903376129.

The spelling of 869043628 in words is "eight hundred sixty-nine million, forty-three thousand, six hundred twenty-eight".