93063989 has 4 divisors (see below), whose sum is σ = 93127980. Its totient is φ = 93000000.

The previous prime is 93063983. The next prime is 93064009. The reversal of 93063989 is 98936039.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67732900 + 25331089 = 8230^2 + 5033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93063989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93063983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29762 + ... + 32739.

It is an arithmetic number, because the mean of its divisors is an integer number (23281995).

Almost surely, 2^93063989 is an apocalyptic number.

It is an amenable number.

93063989 is a deficient number, since it is larger than the sum of its proper divisors (63991).

93063989 is a wasteful number, since it uses less digits than its factorization.

93063989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63990.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 93063989 is about 9646.9678656042. The cubic root of 93063989 is about 453.1693769237.

The spelling of 93063989 in words is "ninety-three million, sixty-three thousand, nine hundred eighty-nine".