239769625 has 8 divisors (see below), whose sum is σ = 299232648. Its totient is φ = 191815600.

The previous prime is 239769619. The next prime is 239769667. The reversal of 239769625 is 526967932.

It can be written as a sum of positive squares in 4 ways, for example, as 6046681 + 233722944 = 2459^2 + 15288^2 .

It is a de Polignac number, because none of the positive numbers 2^k-239769625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958954 + ... + 959203.

It is an arithmetic number, because the mean of its divisors is an integer number (37404081).

Almost surely, 2^239769625 is an apocalyptic number.

239769625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239769625 is a deficient number, since it is larger than the sum of its proper divisors (59463023).

239769625 is an equidigital number, since it uses as much as digits as its factorization.

239769625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918172 (or 1918162 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 49.

The square root of 239769625 is about 15484.4962785362. The cubic root of 239769625 is about 621.2475962321.

The spelling of 239769625 in words is "two hundred thirty-nine million, seven hundred sixty-nine thousand, six hundred twenty-five".