117903590 has 16 divisors (see below), whose sum is σ = 242544672. Its totient is φ = 40424064.

The previous prime is 117903587. The next prime is 117903593. The reversal of 117903590 is 95309711.

It is an interprime number because it is at equal distance from previous prime (117903587) and next prime (117903593).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 117903590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117903593) 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, 842099 + ... + 842238.

It is an arithmetic number, because the mean of its divisors is an integer number (15159042).

Almost surely, 2^117903590 is an apocalyptic number.

117903590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117903590 is an abundant number, since it is smaller than the sum of its proper divisors (124641082).

117903590 is a wasteful number, since it uses less digits than its factorization.

117903590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684351.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 117903590 is about 10858.3419544606. The cubic root of 117903590 is about 490.3531953047.

The spelling of 117903590 in words is "one hundred seventeen million, nine hundred three thousand, five hundred ninety".