108990995 has 32 divisors (see below), whose sum is σ = 142871040. Its totient is φ = 79511040.

The previous prime is 108990991. The next prime is 108991021. The reversal of 108990995 is 599099801.

It is not a de Polignac number, because 108990995 - 2² = 108990991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108990991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516440 + ... + 516650.

It is an arithmetic number, because the mean of its divisors is an integer number (4464720).

Almost surely, 2^108990995 is an apocalyptic number.

108990995 is a deficient number, since it is larger than the sum of its proper divisors (33880045).

108990995 is a wasteful number, since it uses less digits than its factorization.

108990995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 262440, while the sum is 50.

The square root of 108990995 is about 10439.8752387181. The cubic root of 108990995 is about 477.6724631266.

The spelling of 108990995 in words is "one hundred eight million, nine hundred ninety thousand, nine hundred ninety-five".