236906972 has 36 divisors (see below), whose sum is σ = 439734960. Its totient is φ = 111661632.

The previous prime is 236906959. The next prime is 236906977. The reversal of 236906972 is 279609632.

It is a super-2 number, since 2×236906972² = 112249826764417568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236906977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518168 + ... + 518624.

It is an arithmetic number, because the mean of its divisors is an integer number (12214860).

Almost surely, 2^236906972 is an apocalyptic number.

It is an amenable number.

236906972 is a deficient number, since it is larger than the sum of its proper divisors (202827988).

236906972 is a wasteful number, since it uses less digits than its factorization.

236906972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 236906972 is about 15391.7826128100. The cubic root of 236906972 is about 618.7652951088.

The spelling of 236906972 in words is "two hundred thirty-six million, nine hundred six thousand, nine hundred seventy-two".