89540933 has 2 divisors, whose sum is σ = 89540934. Its totient is φ = 89540932.

The previous prime is 89540923. The next prime is 89540963. The reversal of 89540933 is 33904598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68178049 + 21362884 = 8257^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 89540933 - 2⁸ = 89540677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89540923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44770466 + 44770467.

It is an arithmetic number, because the mean of its divisors is an integer number (44770467).

Almost surely, 2^89540933 is an apocalyptic number.

It is an amenable number.

89540933 is a deficient number, since it is larger than the sum of its proper divisors (1).

89540933 is an equidigital number, since it uses as much as digits as its factorization.

89540933 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 89540933 is about 9462.6070931853. The cubic root of 89540933 is about 447.3772254558.

The spelling of 89540933 in words is "eighty-nine million, five hundred forty thousand, nine hundred thirty-three".