94997989 has 8 divisors (see below), whose sum is σ = 100744128. Its totient is φ = 89269440.

The previous prime is 94997971. The next prime is 94997999. The reversal of 94997989 is 98979949.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94997989 - 2⁵ = 94997957 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 94997989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94997909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7704 + ... + 15790.

It is an arithmetic number, because the mean of its divisors is an integer number (12593016).

Almost surely, 2^94997989 is an apocalyptic number.

It is an amenable number.

94997989 is a deficient number, since it is larger than the sum of its proper divisors (5746139).

94997989 is a wasteful number, since it uses less digits than its factorization.

94997989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795.

The product of its digits is 13226976, while the sum is 64.

The square root of 94997989 is about 9746.6911821397. The cubic root of 94997989 is about 456.2870438678.

The spelling of 94997989 in words is "ninety-four million, nine hundred ninety-seven thousand, nine hundred eighty-nine".