90321027 has 16 divisors (see below), whose sum is σ = 124629120. Its totient is φ = 58145472.

The previous prime is 90321019. The next prime is 90321029. The reversal of 90321027 is 72012309.

It is not a de Polignac number, because 90321027 - 2³ = 90321019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90320988 and 90321006.

It is not an unprimeable number, because it can be changed into a prime (90321029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7548 + ... + 15414.

It is an arithmetic number, because the mean of its divisors is an integer number (7789320).

Almost surely, 2^90321027 is an apocalyptic number.

90321027 is a deficient number, since it is larger than the sum of its proper divisors (34308093).

90321027 is a wasteful number, since it uses less digits than its factorization.

90321027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 90321027 is about 9503.7375279413. The cubic root of 90321027 is about 448.6726764194.

The spelling of 90321027 in words is "ninety million, three hundred twenty-one thousand, twenty-seven".