100390959 has 12 divisors (see below), whose sum is σ = 145345200. Its totient is φ = 66772224.

The previous prime is 100390951. The next prime is 100390973. The reversal of 100390959 is 959093001.

It is not a de Polignac number, because 100390959 - 2³ = 100390951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100390951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8754 + ... + 16655.

It is an arithmetic number, because the mean of its divisors is an integer number (12112100).

Almost surely, 2^100390959 is an apocalyptic number.

100390959 is a deficient number, since it is larger than the sum of its proper divisors (44954241).

100390959 is a wasteful number, since it uses less digits than its factorization.

100390959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25854 (or 25851 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 100390959 is about 10019.5288811401. The cubic root of 100390959 is about 464.7629870876.

The spelling of 100390959 in words is "one hundred million, three hundred ninety thousand, nine hundred fifty-nine".