18850959 has 6 divisors (see below), whose sum is σ = 27229176. Its totient is φ = 12567300.

The previous prime is 18850933. The next prime is 18850967. The reversal of 18850959 is 95905881.

It is not a de Polignac number, because 18850959 - 2⁵ = 18850927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18850259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047267 + ... + 1047284.

It is an arithmetic number, because the mean of its divisors is an integer number (4538196).

Almost surely, 2^18850959 is an apocalyptic number.

18850959 is a deficient number, since it is larger than the sum of its proper divisors (8378217).

18850959 is a wasteful number, since it uses less digits than its factorization.

18850959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094557 (or 2094554 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 18850959 is about 4341.7691094760. The cubic root of 18850959 is about 266.1406110181.

The spelling of 18850959 in words is "eighteen million, eight hundred fifty thousand, nine hundred fifty-nine".