238953572 has 24 divisors (see below), whose sum is σ = 491276352. Its totient is φ = 100260000.

The previous prime is 238953571. The next prime is 238953629. The reversal of 238953572 is 275359832.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (238953571) 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 7 ways as a sum of consecutive naturals, for example, 208304 + ... + 209447.

It is an arithmetic number, because the mean of its divisors is an integer number (20469848).

Almost surely, 2^238953572 is an apocalyptic number.

238953572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238953572 is an abundant number, since it is smaller than the sum of its proper divisors (252322780).

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

238953572 is a wasteful number, since it uses less digits than its factorization.

238953572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417779 (or 417777 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 238953572 is about 15458.1231719766. The cubic root of 238953572 is about 620.5419922437.

The spelling of 238953572 in words is "two hundred thirty-eight million, nine hundred fifty-three thousand, five hundred seventy-two".