239974 has 16 divisors (see below), whose sum is σ = 419616. Its totient is φ = 100800.

The previous prime is 239963. The next prime is 239977. The reversal of 239974 is 479932.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 3 + 9⁵ + 9⁵ + 7⁶ + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (26226).

2²³⁹⁹⁷⁴ is an apocalyptic number.

239974 is a deficient number, since it is larger than the sum of its proper divisors (179642).

239974 is a wasteful number, since it uses less digits than its factorization.

239974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its digits is 13608, while the sum is 34.

The square root of 239974 is about 489.8714116990. The cubic root of 239974 is about 62.1424059257.

The spelling of 239974 in words is "two hundred thirty-nine thousand, nine hundred seventy-four".