239669402 has 8 divisors (see below), whose sum is σ = 410861856. Its totient is φ = 102715452.

The previous prime is 239669399. The next prime is 239669413. The reversal of 239669402 is 204966932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 239669402.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8559608 + ... + 8559635.

It is an arithmetic number, because the mean of its divisors is an integer number (51357732).

Almost surely, 2^239669402 is an apocalyptic number.

239669402 is a deficient number, since it is larger than the sum of its proper divisors (171192454).

239669402 is a wasteful number, since it uses less digits than its factorization.

239669402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17119252.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 239669402 is about 15481.2597032670. The cubic root of 239669402 is about 621.1610242777.

The spelling of 239669402 in words is "two hundred thirty-nine million, six hundred sixty-nine thousand, four hundred two".