811602028 has 24 divisors (see below), whose sum is σ = 1441647872. Its totient is φ = 399717504.

The previous prime is 811602023. The next prime is 811602031. The reversal of 811602028 is 820206118.

It is a junction number, because it is equal to n+sod(n) for n = 811601987 and 811602005.

It is not an unprimeable number, because it can be changed into a prime (811602023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316126 + ... + 318682.

Almost surely, 2^811602028 is an apocalyptic number.

It is an amenable number.

811602028 is a deficient number, since it is larger than the sum of its proper divisors (630045844).

811602028 is a wasteful number, since it uses less digits than its factorization.

811602028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 811602028 is about 28488.6298020807. The cubic root of 811602028 is about 932.7838993555.

The spelling of 811602028 in words is "eight hundred eleven million, six hundred two thousand, twenty-eight".