236340172 has 12 divisors (see below), whose sum is σ = 415134720. Its totient is φ = 117730256.

The previous prime is 236340163. The next prime is 236340173. The reversal of 236340172 is 271043632.

It is a self number, because there is not a number n which added to its sum of digits gives 236340172.

It is not an unprimeable number, because it can be changed into a prime (236340173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108748 + ... + 110899.

It is an arithmetic number, because the mean of its divisors is an integer number (34594560).

Almost surely, 2^236340172 is an apocalyptic number.

It is an amenable number.

236340172 is a deficient number, since it is larger than the sum of its proper divisors (178794548).

236340172 is a wasteful number, since it uses less digits than its factorization.

236340172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219920 (or 219918 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 236340172 is about 15373.3591644767. The cubic root of 236340172 is about 618.2714356628.

The spelling of 236340172 in words is "two hundred thirty-six million, three hundred forty thousand, one hundred seventy-two".