90464590 has 8 divisors (see below), whose sum is σ = 162836280. Its totient is φ = 36185832.

The previous prime is 90464581. The next prime is 90464597. The reversal of 90464590 is 9546409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90464597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4523220 + ... + 4523239.

It is an arithmetic number, because the mean of its divisors is an integer number (20354535).

Almost surely, 2^90464590 is an apocalyptic number.

90464590 is a deficient number, since it is larger than the sum of its proper divisors (72371690).

90464590 is a wasteful number, since it uses less digits than its factorization.

90464590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046466.

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

The square root of 90464590 is about 9511.2875048544. The cubic root of 90464590 is about 448.9102685586.

The spelling of 90464590 in words is "ninety million, four hundred sixty-four thousand, five hundred ninety".