479866239 has 12 divisors (see below), whose sum is σ = 693963816. Its totient is φ = 319530672.

The previous prime is 479866237. The next prime is 479866241. The reversal of 479866239 is 932668974.

It is a happy number.

479866239 is a `hidden beast` number, since 4 + 7 + 9 + 8 + 6 + 623 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (479866237) and next prime (479866241).

It is not a de Polignac number, because 479866239 - 2¹ = 479866237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479866237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23577 + ... + 38930.

It is an arithmetic number, because the mean of its divisors is an integer number (57830318).

Almost surely, 2^479866239 is an apocalyptic number.

479866239 is a deficient number, since it is larger than the sum of its proper divisors (214097577).

479866239 is a wasteful number, since it uses less digits than its factorization.

479866239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63366 (or 63363 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 479866239 is about 21905.8494242976. The cubic root of 479866239 is about 782.9007913921.

The spelling of 479866239 in words is "four hundred seventy-nine million, eight hundred sixty-six thousand, two hundred thirty-nine".