239474949 has 16 divisors (see below), whose sum is σ = 365150208. Its totient is φ = 136754352.

The previous prime is 239474933. The next prime is 239474957. The reversal of 239474949 is 949474932.

It is not a de Polignac number, because 239474949 - 2⁴ = 239474933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239474449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43764 + ... + 48930.

It is an arithmetic number, because the mean of its divisors is an integer number (22821888).

Almost surely, 2^239474949 is an apocalyptic number.

It is an amenable number.

239474949 is a deficient number, since it is larger than the sum of its proper divisors (125675259).

239474949 is a wasteful number, since it uses less digits than its factorization.

239474949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384.

The product of its digits is 1959552, while the sum is 51.

The square root of 239474949 is about 15474.9781583045. The cubic root of 239474949 is about 620.9929882182.

The spelling of 239474949 in words is "two hundred thirty-nine million, four hundred seventy-four thousand, nine hundred forty-nine".