230528736 has 36 divisors (see below), whose sum is σ = 655566912. Its totient is φ = 76842816.

The previous prime is 230528717. The next prime is 230528761. The reversal of 230528736 is 637825032.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 230528736.

It is a congruent number.

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, 399936 + ... + 400511.

It is an arithmetic number, because the mean of its divisors is an integer number (18210192).

Almost surely, 2^230528736 is an apocalyptic number.

It is an amenable number.

230528736 is an abundant number, since it is smaller than the sum of its proper divisors (425038176).

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

230528736 is a wasteful number, since it uses less digits than its factorization.

230528736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800463 (or 800452 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 230528736 is about 15183.1727909551. The cubic root of 230528736 is about 613.1617047608.

The spelling of 230528736 in words is "two hundred thirty million, five hundred twenty-eight thousand, seven hundred thirty-six".