230790636 has 18 divisors (see below), whose sum is σ = 583387532. Its totient is φ = 76930200.

The previous prime is 230790619. The next prime is 230790643. The reversal of 230790636 is 636097032.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6410851 = 230790636 / (2 + 3 + 0 + 7 + 9 + 0 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 230790636.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3205390 + ... + 3205461.

Almost surely, 2^230790636 is an apocalyptic number.

It is an amenable number.

230790636 is an abundant number, since it is smaller than the sum of its proper divisors (352596896).

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

230790636 is a wasteful number, since it uses less digits than its factorization.

230790636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410861 (or 6410856 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 230790636 is about 15191.7950223139. The cubic root of 230790636 is about 613.3938179428.

The spelling of 230790636 in words is "two hundred thirty million, seven hundred ninety thousand, six hundred thirty-six".