94471989 has 16 divisors (see below), whose sum is σ = 132382272. Its totient is φ = 59851008.

The previous prime is 94471969. The next prime is 94471997. The reversal of 94471989 is 98917449.

It is not a de Polignac number, because 94471989 - 2⁵ = 94471957 is a prime.

It is a super-2 number, since 2×94471989² = 17849913411232242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94471969) 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 15 ways as a sum of consecutive naturals, for example, 5124 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (8273892).

Almost surely, 2^94471989 is an apocalyptic number.

It is an amenable number.

94471989 is a deficient number, since it is larger than the sum of its proper divisors (37910283).

94471989 is a wasteful number, since it uses less digits than its factorization.

94471989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19876.

The product of its digits is 653184, while the sum is 51.

The square root of 94471989 is about 9719.6702104547. The cubic root of 94471989 is about 455.4433371575.

The spelling of 94471989 in words is "ninety-four million, four hundred seventy-one thousand, nine hundred eighty-nine".