99040589 has 12 divisors (see below), whose sum is σ = 106323924. Its totient is φ = 92227584.

The previous prime is 99040573. The next prime is 99040607. The reversal of 99040589 is 98504099.

It can be written as a sum of positive squares in 6 ways, for example, as 18130564 + 80910025 = 4258^2 + 8995^2 .

It is not a de Polignac number, because 99040589 - 2⁴ = 99040573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99040549) 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 11 ways as a sum of consecutive naturals, for example, 26267 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (8860327).

Almost surely, 2^99040589 is an apocalyptic number.

It is an amenable number.

99040589 is a deficient number, since it is larger than the sum of its proper divisors (7283335).

99040589 is a wasteful number, since it uses less digits than its factorization.

99040589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 99040589 is about 9951.9138360418. The cubic root of 99040589 is about 462.6697136111.

The spelling of 99040589 in words is "ninety-nine million, forty thousand, five hundred eighty-nine".