90489627 has 12 divisors (see below), whose sum is σ = 130846560. Its totient is φ = 60262128.

The previous prime is 90489611. The next prime is 90489629. The reversal of 90489627 is 72698409.

It is a happy number.

It is not a de Polignac number, because 90489627 - 2⁴ = 90489611 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90489629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4513 + ... + 14189.

It is an arithmetic number, because the mean of its divisors is an integer number (10903880).

Almost surely, 2^90489627 is an apocalyptic number.

90489627 is a deficient number, since it is larger than the sum of its proper divisors (40356933).

90489627 is a wasteful number, since it uses less digits than its factorization.

90489627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722 (or 10719 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 90489627 is about 9512.6035868210. The cubic root of 90489627 is about 448.9516782405.

The spelling of 90489627 in words is "ninety million, four hundred eighty-nine thousand, six hundred twenty-seven".