93440791 has 6 divisors (see below), whose sum is σ = 93911640. Its totient is φ = 92972268.

The previous prime is 93440783. The next prime is 93440797. The reversal of 93440791 is 19704439.

It is not a de Polignac number, because 93440791 - 2³ = 93440783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93440791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93440797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48790 + ... + 50668.

It is an arithmetic number, because the mean of its divisors is an integer number (15651940).

Almost surely, 2^93440791 is an apocalyptic number.

93440791 is a deficient number, since it is larger than the sum of its proper divisors (470849).

93440791 is an equidigital number, since it uses as much as digits as its factorization.

93440791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 93440791 is about 9666.4776935552. The cubic root of 93440791 is about 453.7801580736.

The spelling of 93440791 in words is "ninety-three million, four hundred forty thousand, seven hundred ninety-one".