239794479 has 8 divisors (see below), whose sum is σ = 355251120. Its totient is φ = 159862968.

The previous prime is 239794453. The next prime is 239794487. The reversal of 239794479 is 974497932.

It is a happy number.

It is not a de Polignac number, because 239794479 - 2⁷ = 239794351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239794879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4440612 + ... + 4440665.

It is an arithmetic number, because the mean of its divisors is an integer number (44406390).

Almost surely, 2^239794479 is an apocalyptic number.

239794479 is a deficient number, since it is larger than the sum of its proper divisors (115456641).

239794479 is an equidigital number, since it uses as much as digits as its factorization.

239794479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8881286 (or 8881280 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 239794479 is about 15485.2988024126. The cubic root of 239794479 is about 621.2690612172.

The spelling of 239794479 in words is "two hundred thirty-nine million, seven hundred ninety-four thousand, four hundred seventy-nine".