236381928 has 16 divisors (see below), whose sum is σ = 590954880. Its totient is φ = 78793968.

The previous prime is 236381927. The next prime is 236381969. The reversal of 236381928 is 829183632.

It is a self number, because there is not a number n which added to its sum of digits gives 236381928.

It is not an unprimeable number, because it can be changed into a prime (236381927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4924600 + ... + 4924647.

It is an arithmetic number, because the mean of its divisors is an integer number (36934680).

Almost surely, 2^236381928 is an apocalyptic number.

It is an amenable number.

236381928 is an abundant number, since it is smaller than the sum of its proper divisors (354572952).

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

236381928 is a wasteful number, since it uses less digits than its factorization.

236381928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849256 (or 9849252 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 236381928 is about 15374.7171681303. The cubic root of 236381928 is about 618.3078450773.

The spelling of 236381928 in words is "two hundred thirty-six million, three hundred eighty-one thousand, nine hundred twenty-eight".