108999546 has 32 divisors (see below), whose sum is σ = 233435520. Its totient is φ = 33808896.

The previous prime is 108999481. The next prime is 108999547. The reversal of 108999546 is 645999801.

It is a super-2 number, since 2×108999546² = 23761802056412232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (108999547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3075 + ... + 15081.

It is an arithmetic number, because the mean of its divisors is an integer number (7294860).

Almost surely, 2^108999546 is an apocalyptic number.

108999546 is an abundant number, since it is smaller than the sum of its proper divisors (124435974).

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

108999546 is a wasteful number, since it uses less digits than its factorization.

108999546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 108999546 is about 10440.2847662312. The cubic root of 108999546 is about 477.6849548938.

The spelling of 108999546 in words is "one hundred eight million, nine hundred ninety-nine thousand, five hundred forty-six".