90343089 has 12 divisors (see below), whose sum is σ = 130632372. Its totient is φ = 60165600.

The previous prime is 90343087. The next prime is 90343139. The reversal of 90343089 is 98034309.

It can be written as a sum of positive squares in 2 ways, for example, as 63872064 + 26471025 = 7992^2 + 5145^2 .

It is not a de Polignac number, because 90343089 - 2¹ = 90343087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90343087) 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, 4819 + ... + 14279.

It is an arithmetic number, because the mean of its divisors is an integer number (10886031).

Almost surely, 2^90343089 is an apocalyptic number.

It is an amenable number.

90343089 is a deficient number, since it is larger than the sum of its proper divisors (40289283).

90343089 is a wasteful number, since it uses less digits than its factorization.

90343089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10528 (or 10525 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 90343089 is about 9504.8981583182. The cubic root of 90343089 is about 448.7092046827.

The spelling of 90343089 in words is "ninety million, three hundred forty-three thousand, eighty-nine".