815898052 has 24 divisors (see below), whose sum is σ = 1475048960. Its totient is φ = 394476480.

The previous prime is 815898049. The next prime is 815898077. The reversal of 815898052 is 250898518.

It is a junction number, because it is equal to n+sod(n) for n = 815897993 and 815898011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263449 + ... + 266527.

Almost surely, 2^815898052 is an apocalyptic number.

It is an amenable number.

815898052 is a deficient number, since it is larger than the sum of its proper divisors (659150908).

815898052 is a wasteful number, since it uses less digits than its factorization.

815898052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5251 (or 5249 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 46.

The square root of 815898052 is about 28563.9292115073. The cubic root of 815898052 is about 934.4268278273.

The spelling of 815898052 in words is "eight hundred fifteen million, eight hundred ninety-eight thousand, fifty-two".