90604289 has 8 divisors (see below), whose sum is σ = 93891072. Its totient is φ = 87340320.

The previous prime is 90604279. The next prime is 90604313. The reversal of 90604289 is 98240609.

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

It is a cyclic number.

It is not a de Polignac number, because 90604289 - 2⁴ = 90604273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90604249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597 + ... + 13709.

It is an arithmetic number, because the mean of its divisors is an integer number (11736384).

Almost surely, 2^90604289 is an apocalyptic number.

It is an amenable number.

90604289 is a deficient number, since it is larger than the sum of its proper divisors (3286783).

90604289 is a wasteful number, since it uses less digits than its factorization.

90604289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 90604289 is about 9518.6285251605. The cubic root of 90604289 is about 449.1412247162.

The spelling of 90604289 in words is "ninety million, six hundred four thousand, two hundred eighty-nine".