239253738 has 16 divisors (see below), whose sum is σ = 503692320. Its totient is φ = 75553776.

The previous prime is 239253709. The next prime is 239253739. The reversal of 239253738 is 837352932.

239253738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×239253738² = 114484702293945288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 239253738.

It is not an unprimeable number, because it can be changed into a prime (239253739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049245 + ... + 1049472.

It is an arithmetic number, because the mean of its divisors is an integer number (31480770).

Almost surely, 2^239253738 is an apocalyptic number.

239253738 is an abundant number, since it is smaller than the sum of its proper divisors (264438582).

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

239253738 is a wasteful number, since it uses less digits than its factorization.

239253738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098741.

The product of its digits is 272160, while the sum is 42.

The square root of 239253738 is about 15467.8291301656. The cubic root of 239253738 is about 620.8017186650.

The spelling of 239253738 in words is "two hundred thirty-nine million, two hundred fifty-three thousand, seven hundred thirty-eight".