94807989 has 20 divisors (see below), whose sum is σ = 146514060. Its totient is φ = 61024320.

The previous prime is 94807961. The next prime is 94808003. The reversal of 94807989 is 98970849.

It can be written as a sum of positive squares in 2 ways, for example, as 74960964 + 19847025 = 8658^2 + 4455^2 .

It is not a de Polignac number, because 94807989 - 2⁵ = 94807957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94807919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17832 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (7325703).

Almost surely, 2^94807989 is an apocalyptic number.

It is an amenable number.

94807989 is a deficient number, since it is larger than the sum of its proper divisors (51706071).

94807989 is a wasteful number, since it uses less digits than its factorization.

94807989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40402 (or 40393 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 94807989 is about 9736.9394061995. The cubic root of 94807989 is about 455.9826430374.

The spelling of 94807989 in words is "ninety-four million, eight hundred seven thousand, nine hundred eighty-nine".