104609931 has 16 divisors (see below), whose sum is σ = 145263360. Its totient is φ = 66880800.

The previous prime is 104609929. The next prime is 104609951. The reversal of 104609931 is 139906401.

It is not a de Polignac number, because 104609931 - 2¹ = 104609929 is a prime.

It is a super-2 number, since 2×104609931² = 21886475327649522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104609892 and 104609901.

It is not an unprimeable number, because it can be changed into a prime (104609951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9156 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (9078960).

Almost surely, 2^104609931 is an apocalyptic number.

104609931 is a deficient number, since it is larger than the sum of its proper divisors (40653429).

104609931 is a wasteful number, since it uses less digits than its factorization.

104609931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 104609931 is about 10227.8996377555. The cubic root of 104609931 is about 471.1844743281.

The spelling of 104609931 in words is "one hundred four million, six hundred nine thousand, nine hundred thirty-one".