104564939 has 2 divisors, whose sum is σ = 104564940. Its totient is φ = 104564938.

The previous prime is 104564921. The next prime is 104564947. The reversal of 104564939 is 939465401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104564939 - 2¹² = 104560843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 104564896 and 104564905.

It is not a weakly prime, because it can be changed into another prime (104564039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52282469 + 52282470.

It is an arithmetic number, because the mean of its divisors is an integer number (52282470).

Almost surely, 2^104564939 is an apocalyptic number.

104564939 is a deficient number, since it is larger than the sum of its proper divisors (1).

104564939 is an equidigital number, since it uses as much as digits as its factorization.

104564939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 104564939 is about 10225.6999271444. The cubic root of 104564939 is about 471.1169135919.

The spelling of 104564939 in words is "one hundred four million, five hundred sixty-four thousand, nine hundred thirty-nine".