237728238 has 32 divisors (see below), whose sum is σ = 549192960. Its totient is φ = 67800960.

The previous prime is 237728233. The next prime is 237728263. The reversal of 237728238 is 832827732.

It is a self number, because there is not a number n which added to its sum of digits gives 237728238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (237728233) 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 15 ways as a sum of consecutive naturals, for example, 104818 + ... + 107061.

It is an arithmetic number, because the mean of its divisors is an integer number (17162280).

Almost surely, 2^237728238 is an apocalyptic number.

237728238 is an abundant number, since it is smaller than the sum of its proper divisors (311464722).

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

237728238 is a wasteful number, since it uses less digits than its factorization.

237728238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211912.

The product of its digits is 225792, while the sum is 42.

The square root of 237728238 is about 15418.4382477604. The cubic root of 237728238 is about 619.4794781365.

The spelling of 237728238 in words is "two hundred thirty-seven million, seven hundred twenty-eight thousand, two hundred thirty-eight".