108998475 has 48 divisors (see below), whose sum is σ = 194532192. Its totient is φ = 53647360.

The previous prime is 108998473. The next prime is 108998479. The reversal of 108998475 is 574899801.

It is not a de Polignac number, because 108998475 - 2¹ = 108998473 is a prime.

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 (108998471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66769 + ... + 68381.

It is an arithmetic number, because the mean of its divisors is an integer number (4052754).

Almost surely, 2^108998475 is an apocalyptic number.

108998475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108998475 is a deficient number, since it is larger than the sum of its proper divisors (85533717).

108998475 is a wasteful number, since it uses less digits than its factorization.

108998475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 108998475 is about 10440.2334744008. The cubic root of 108998475 is about 477.6833903544.

The spelling of 108998475 in words is "one hundred eight million, nine hundred ninety-eight thousand, four hundred seventy-five".