105604431 has 16 divisors (see below), whose sum is σ = 150349056. Its totient is φ = 65774016.

The previous prime is 105604381. The next prime is 105604439. The reversal of 105604431 is 134406501.

It is not a de Polignac number, because 105604431 - 2¹¹ = 105602383 is a prime.

It is a super-2 number, since 2×105604431² = 22304591693667522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105604439) 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, 14830 + ... + 20763.

It is an arithmetic number, because the mean of its divisors is an integer number (9396816).

Almost surely, 2^105604431 is an apocalyptic number.

105604431 is a deficient number, since it is larger than the sum of its proper divisors (44744625).

105604431 is a wasteful number, since it uses less digits than its factorization.

105604431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35662.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 105604431 is about 10276.4016562219. The cubic root of 105604431 is about 472.6729111563.

The spelling of 105604431 in words is "one hundred five million, six hundred four thousand, four hundred thirty-one".