90949593 has 16 divisors (see below), whose sum is σ = 139207680. Its totient is φ = 51739536.

The previous prime is 90949577. The next prime is 90949627. The reversal of 90949593 is 39594909.

It is not a de Polignac number, because 90949593 - 2⁴ = 90949577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90949553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773 + ... + 14306.

It is an arithmetic number, because the mean of its divisors is an integer number (8700480).

Almost surely, 2^90949593 is an apocalyptic number.

It is an amenable number.

90949593 is a deficient number, since it is larger than the sum of its proper divisors (48258087).

90949593 is a wasteful number, since it uses less digits than its factorization.

90949593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19316.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 90949593 is about 9536.7496035075. The cubic root of 90949593 is about 449.7110787361.

The spelling of 90949593 in words is "ninety million, nine hundred forty-nine thousand, five hundred ninety-three".