93940889 has 12 divisors (see below), whose sum is σ = 113048100. Its totient is φ = 77743008.

The previous prime is 93940879. The next prime is 93940897. The reversal of 93940889 is 98804939.

It can be written as a sum of positive squares in 2 ways, for example, as 55995289 + 37945600 = 7483^2 + 6160^2 .

It is not a de Polignac number, because 93940889 - 2¹² = 93936793 is a prime.

It is a super-2 number, since 2×93940889² = 17649781252220642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93940859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31634 + ... + 34475.

It is an arithmetic number, because the mean of its divisors is an integer number (9420675).

Almost surely, 2^93940889 is an apocalyptic number.

It is an amenable number.

93940889 is a deficient number, since it is larger than the sum of its proper divisors (19107211).

93940889 is a wasteful number, since it uses less digits than its factorization.

93940889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66152 (or 66145 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 93940889 is about 9692.3108183756. The cubic root of 93940889 is about 454.5882665845.

The spelling of 93940889 in words is "ninety-three million, nine hundred forty thousand, eight hundred eighty-nine".