239078890 has 8 divisors (see below), whose sum is σ = 430342020. Its totient is φ = 95631552.

The previous prime is 239078887. The next prime is 239078893. The reversal of 239078890 is 98870932.

It is an interprime number because it is at equal distance from previous prime (239078887) and next prime (239078893).

It can be written as a sum of positive squares in 2 ways, for example, as 233081289 + 5997601 = 15267^2 + 2449^2 .

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 239078890.

It is not an unprimeable number, because it can be changed into a prime (239078893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11953935 + ... + 11953954.

Almost surely, 2^239078890 is an apocalyptic number.

239078890 is a deficient number, since it is larger than the sum of its proper divisors (191263130).

239078890 is a wasteful number, since it uses less digits than its factorization.

239078890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907896.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 239078890 is about 15462.1761081680. The cubic root of 239078890 is about 620.6504533284.

The spelling of 239078890 in words is "two hundred thirty-nine million, seventy-eight thousand, eight hundred ninety".