90370089 has 12 divisors (see below), whose sum is σ = 130620672. Its totient is φ = 60207000.

The previous prime is 90370057. The next prime is 90370117. The reversal of 90370089 is 98007309.

It is not a de Polignac number, because 90370089 - 2⁵ = 90370057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90370009) 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, 19024 + ... + 23294.

It is an arithmetic number, because the mean of its divisors is an integer number (10885056).

Almost surely, 2^90370089 is an apocalyptic number.

It is an amenable number.

90370089 is a deficient number, since it is larger than the sum of its proper divisors (40250583).

90370089 is a wasteful number, since it uses less digits than its factorization.

90370089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628 (or 6625 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 90370089 is about 9506.3183725352. The cubic root of 90370089 is about 448.7539007480.

The spelling of 90370089 in words is "ninety million, three hundred seventy thousand, eighty-nine".