103879645 has 16 divisors (see below), whose sum is σ = 127157040. Its totient is φ = 81446400.

The previous prime is 103879627. The next prime is 103879649. The reversal of 103879645 is 546978301.

It can be written as a sum of positive squares in 8 ways, for example, as 25220484 + 78659161 = 5022^2 + 8869^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103879645 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103879649) 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, 128001 + ... + 128809.

It is an arithmetic number, because the mean of its divisors is an integer number (7947315).

Almost surely, 2^103879645 is an apocalyptic number.

It is an amenable number.

103879645 is a deficient number, since it is larger than the sum of its proper divisors (23277395).

103879645 is an equidigital number, since it uses as much as digits as its factorization.

103879645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 103879645 is about 10192.1364296206. The cubic root of 103879645 is about 470.0854605424.

The spelling of 103879645 in words is "one hundred three million, eight hundred seventy-nine thousand, six hundred forty-five".