90459594 has 12 divisors (see below), whose sum is σ = 195995826. Its totient is φ = 30153192.

The previous prime is 90459563. The next prime is 90459599. The reversal of 90459594 is 49595409.

90459594 is a `hidden beast` number, since 9 + 0 + 4 + 59 + 594 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59490369 + 30969225 = 7713^2 + 5565^2 .

It is not an unprimeable number, because it can be changed into a prime (90459599) 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 5 ways as a sum of consecutive naturals, for example, 2512749 + ... + 2512784.

Almost surely, 2^90459594 is an apocalyptic number.

90459594 is an abundant number, since it is smaller than the sum of its proper divisors (105536232).

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

90459594 is a wasteful number, since it uses less digits than its factorization.

90459594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025541 (or 5025538 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 90459594 is about 9511.0248659122. The cubic root of 90459594 is about 448.9020045627.

It can be divided in two parts, 90 and 459594, that added together give a square (459684 = 678²).

The spelling of 90459594 in words is "ninety million, four hundred fifty-nine thousand, five hundred ninety-four".