94889813 has 4 divisors (see below), whose sum is σ = 94913868. Its totient is φ = 94865760.

The previous prime is 94889783. The next prime is 94889843. The reversal of 94889813 is 31898849.

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

It is an interprime number because it is at equal distance from previous prime (94889783) and next prime (94889843).

It can be written as a sum of positive squares in 2 ways, for example, as 37478884 + 57410929 = 6122^2 + 7577^2 .

It is a cyclic number.

It is not a de Polignac number, because 94889813 - 2¹⁰ = 94888789 is a prime.

It is a super-2 number, since 2×94889813² = 18008153222349938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94889843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (23728467).

Almost surely, 2^94889813 is an apocalyptic number.

It is an amenable number.

94889813 is a deficient number, since it is larger than the sum of its proper divisors (24055).

94889813 is a wasteful number, since it uses less digits than its factorization.

94889813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24054.

The product of its digits is 497664, while the sum is 50.

The square root of 94889813 is about 9741.1402309997. The cubic root of 94889813 is about 456.1137838683.

The spelling of 94889813 in words is "ninety-four million, eight hundred eighty-nine thousand, eight hundred thirteen".