96388991 has 4 divisors (see below), whose sum is σ = 98739984. Its totient is φ = 94038000.

The previous prime is 96388973. The next prime is 96389017. The reversal of 96388991 is 19988369.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-96388991 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 (96388921) 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, 1175435 + ... + 1175516.

It is an arithmetic number, because the mean of its divisors is an integer number (24684996).

Almost surely, 2^96388991 is an apocalyptic number.

96388991 is a deficient number, since it is larger than the sum of its proper divisors (2350993).

96388991 is a wasteful number, since it uses less digits than its factorization.

96388991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350992.

The product of its digits is 839808, while the sum is 53.

The square root of 96388991 is about 9817.7895169941. The cubic root of 96388991 is about 458.5033129381.

It can be divided in two parts, 96388 and 991, that added together give a palindrome (97379).

The spelling of 96388991 in words is "ninety-six million, three hundred eighty-eight thousand, nine hundred ninety-one".