93533989 has 2 divisors, whose sum is σ = 93533990. Its totient is φ = 93533988.

The previous prime is 93533981. The next prime is 93534053. The reversal of 93533989 is 98933539.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92448225 + 1085764 = 9615^2 + 1042^2 .

It is a cyclic number.

It is not a de Polignac number, because 93533989 - 2³ = 93533981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93533981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46766994 + 46766995.

It is an arithmetic number, because the mean of its divisors is an integer number (46766995).

Almost surely, 2^93533989 is an apocalyptic number.

It is an amenable number.

93533989 is a deficient number, since it is larger than the sum of its proper divisors (1).

93533989 is an equidigital number, since it uses as much as digits as its factorization.

93533989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787320, while the sum is 49.

The square root of 93533989 is about 9671.2971725617. The cubic root of 93533989 is about 453.9309749706.

The spelling of 93533989 in words is "ninety-three million, five hundred thirty-three thousand, nine hundred eighty-nine".