239748775 has 24 divisors (see below), whose sum is σ = 340808544. Its totient is φ = 163891200.

The previous prime is 239748749. The next prime is 239748791. The reversal of 239748775 is 577847932.

239748775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 239748775 - 2¹³ = 239740583 is a prime.

It is a super-2 number, since 2×239748775² = 114958950228001250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59835 + ... + 63715.

It is an arithmetic number, because the mean of its divisors is an integer number (14200356).

Almost surely, 2^239748775 is an apocalyptic number.

239748775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

239748775 is a deficient number, since it is larger than the sum of its proper divisors (101059769).

239748775 is a wasteful number, since it uses less digits than its factorization.

239748775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251 (or 4246 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 52.

The square root of 239748775 is about 15483.8230098384. The cubic root of 239748775 is about 621.2295881298.

The spelling of 239748775 in words is "two hundred thirty-nine million, seven hundred forty-eight thousand, seven hundred seventy-five".