93291389 has 4 divisors (see below), whose sum is σ = 93405024. Its totient is φ = 93177756.

The previous prime is 93291371. The next prime is 93291409. The reversal of 93291389 is 98319239.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 93291389 - 2²⁴ = 76514173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93291889) 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, 55577 + ... + 57230.

It is an arithmetic number, because the mean of its divisors is an integer number (23351256).

Almost surely, 2^93291389 is an apocalyptic number.

It is an amenable number.

93291389 is a deficient number, since it is larger than the sum of its proper divisors (113635).

93291389 is a wasteful number, since it uses less digits than its factorization.

93291389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113634.

The product of its digits is 104976, while the sum is 44.

The square root of 93291389 is about 9658.7467613557. The cubic root of 93291389 is about 453.5381801420.

The spelling of 93291389 in words is "ninety-three million, two hundred ninety-one thousand, three hundred eighty-nine".