90459604 has 12 divisors (see below), whose sum is σ = 158565204. Its totient is φ = 45155264.

The previous prime is 90459599. The next prime is 90459617. The reversal of 90459604 is 40695409.

It can be written as a sum of positive squares in 2 ways, for example, as 15602500 + 74857104 = 3950^2 + 8652^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15859 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (13213767).

Almost surely, 2^90459604 is an apocalyptic number.

It is an amenable number.

90459604 is a deficient number, since it is larger than the sum of its proper divisors (68105600).

90459604 is a wasteful number, since it uses less digits than its factorization.

90459604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37274 (or 37272 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90459604 is about 9511.0253916179. The cubic root of 90459604 is about 448.9020211043.

The spelling of 90459604 in words is "ninety million, four hundred fifty-nine thousand, six hundred four".