109092990 has 32 divisors (see below), whose sum is σ = 264529440. Its totient is φ = 28790784.

The previous prime is 109092967. The next prime is 109093013. The reversal of 109092990 is 99290901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109092967) and next prime (109093013).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15835 + ... + 21654.

It is an arithmetic number, because the mean of its divisors is an integer number (8266545).

Almost surely, 2^109092990 is an apocalyptic number.

109092990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109092990 is an abundant number, since it is smaller than the sum of its proper divisors (155436450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109092990 is a wasteful number, since it uses less digits than its factorization.

109092990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37596.

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 109092990 is about 10444.7589728055. The cubic root of 109092990 is about 477.8214204269.

Subtracting from 109092990 its reverse (99290901), we obtain a palindrome (9802089).

The spelling of 109092990 in words is "one hundred nine million, ninety-two thousand, nine hundred ninety".