108699401 has 4 divisors (see below), whose sum is σ = 108723732. Its totient is φ = 108675072.

The previous prime is 108699379. The next prime is 108699413. The reversal of 108699401 is 104996801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83247376 + 25452025 = 9124^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 108699401 - 2²⁶ = 41590537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108699431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320 + ... + 15113.

It is an arithmetic number, because the mean of its divisors is an integer number (27180933).

Almost surely, 2^108699401 is an apocalyptic number.

It is an amenable number.

108699401 is a deficient number, since it is larger than the sum of its proper divisors (24331).

108699401 is an equidigital number, since it uses as much as digits as its factorization.

108699401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24330.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 108699401 is about 10425.9004886868. The cubic root of 108699401 is about 477.2460951054.

The spelling of 108699401 in words is "one hundred eight million, six hundred ninety-nine thousand, four hundred one".