235728612 has 54 divisors (see below), whose sum is σ = 693159558. Its totient is φ = 67350528.

The previous prime is 235728593. The next prime is 235728629. The reversal of 235728612 is 216827532.

235728612 is a `hidden beast` number, since 2 + 3 + 572 + 86 + 1 + 2 = 666.

235728612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 194435136 + 41293476 = 13944^2 + 6426^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65053 + ... + 68580.

Almost surely, 2^235728612 is an apocalyptic number.

It is an amenable number.

235728612 is an abundant number, since it is smaller than the sum of its proper divisors (457430946).

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

235728612 is a wasteful number, since it uses less digits than its factorization.

235728612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133657 (or 133645 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 235728612 is about 15353.4560278785. The cubic root of 235728612 is about 617.7376899162.

The spelling of 235728612 in words is "two hundred thirty-five million, seven hundred twenty-eight thousand, six hundred twelve".