239470825 has 24 divisors (see below), whose sum is σ = 338031936. Its totient is φ = 166584000.

The previous prime is 239470807. The next prime is 239470831. The reversal of 239470825 is 528074932.

It is not a de Polignac number, because 239470825 - 2²³ = 231082217 is a prime.

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, 12606 + ... + 25255.

It is an arithmetic number, because the mean of its divisors is an integer number (14084664).

Almost surely, 2^239470825 is an apocalyptic number.

239470825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239470825 is a deficient number, since it is larger than the sum of its proper divisors (98561111).

239470825 is a wasteful number, since it uses less digits than its factorization.

239470825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37905 (or 37900 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 239470825 is about 15474.8449103699. The cubic root of 239470825 is about 620.9894234894.

The spelling of 239470825 in words is "two hundred thirty-nine million, four hundred seventy thousand, eight hundred twenty-five".