89786939 has 6 divisors (see below), whose sum is σ = 97983684. Its totient is φ = 81595920.

The previous prime is 89786909. The next prime is 89786941. The reversal of 89786939 is 93968798.

It is not a de Polignac number, because 89786939 - 2¹⁶ = 89721403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89786909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29999 + ... + 32855.

It is an arithmetic number, because the mean of its divisors is an integer number (16330614).

Almost surely, 2^89786939 is an apocalyptic number.

89786939 is a deficient number, since it is larger than the sum of its proper divisors (8196745).

89786939 is an frugal number, since it uses more digits than its factorization.

89786939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725 (or 2868 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 59.

The square root of 89786939 is about 9475.5970260454. The cubic root of 89786939 is about 447.7865609424.

The spelling of 89786939 in words is "eighty-nine million, seven hundred eighty-six thousand, nine hundred thirty-nine".