239935872 has 128 divisors (see below), whose sum is σ = 711976320. Its totient is φ = 70963200.

The previous prime is 239935849. The next prime is 239935873. The reversal of 239935872 is 278539932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239935873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180972 + ... + 182292.

It is an arithmetic number, because the mean of its divisors is an integer number (5562315).

Almost surely, 2^239935872 is an apocalyptic number.

239935872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239935872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355988160).

239935872 is an abundant number, since it is smaller than the sum of its proper divisors (472040448).

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

239935872 is a wasteful number, since it uses less digits than its factorization.

239935872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1380 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 239935872 is about 15489.8635242535. The cubic root of 239935872 is about 621.3911460918.

The spelling of 239935872 in words is "two hundred thirty-nine million, nine hundred thirty-five thousand, eight hundred seventy-two".