89704939 has 2 divisors, whose sum is σ = 89704940. Its totient is φ = 89704938.

The previous prime is 89704919. The next prime is 89704943. The reversal of 89704939 is 93940798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89704939 - 2⁵ = 89704907 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89704892 and 89704901.

It is not a weakly prime, because it can be changed into another prime (89704919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44852469 + 44852470.

It is an arithmetic number, because the mean of its divisors is an integer number (44852470).

Almost surely, 2^89704939 is an apocalyptic number.

89704939 is a deficient number, since it is larger than the sum of its proper divisors (1).

89704939 is an equidigital number, since it uses as much as digits as its factorization.

89704939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 89704939 is about 9471.2691335428. The cubic root of 89704939 is about 447.6502022764.

The spelling of 89704939 in words is "eighty-nine million, seven hundred four thousand, nine hundred thirty-nine".