239354989 has 8 divisors (see below), whose sum is σ = 252188640. Its totient is φ = 226544976.

The previous prime is 239354963. The next prime is 239355023. The reversal of 239354989 is 989453932.

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

It is a cyclic number.

It is not a de Polignac number, because 239354989 - 2⁹ = 239354477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239354939) 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, 17247 + ... + 27859.

It is an arithmetic number, because the mean of its divisors is an integer number (31523580).

Almost surely, 2^239354989 is an apocalyptic number.

It is an amenable number.

239354989 is a deficient number, since it is larger than the sum of its proper divisors (12833651).

239354989 is a wasteful number, since it uses less digits than its factorization.

239354989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819.

The product of its digits is 2099520, while the sum is 52.

The square root of 239354989 is about 15471.1017384025. The cubic root of 239354989 is about 620.8892797212.

The spelling of 239354989 in words is "two hundred thirty-nine million, three hundred fifty-four thousand, nine hundred eighty-nine".