90520626 has 16 divisors (see below), whose sum is σ = 206904384. Its totient is φ = 25863024.

The previous prime is 90520601. The next prime is 90520627. The reversal of 90520626 is 62602509.

It is a junction number, because it is equal to n+sod(n) for n = 90520593 and 90520602.

It is not an unprimeable number, because it can be changed into a prime (90520627) 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 7 ways as a sum of consecutive naturals, for example, 1077585 + ... + 1077668.

It is an arithmetic number, because the mean of its divisors is an integer number (12931524).

Almost surely, 2^90520626 is an apocalyptic number.

90520626 is an abundant number, since it is smaller than the sum of its proper divisors (116383758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90520626 is a wasteful number, since it uses less digits than its factorization.

90520626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155265.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 90520626 is about 9514.2328119507. The cubic root of 90520626 is about 449.0029381276.

The spelling of 90520626 in words is "ninety million, five hundred twenty thousand, six hundred twenty-six".