90289466 has 8 divisors (see below), whose sum is σ = 137289684. Its totient is φ = 44526240.

The previous prime is 90289457. The next prime is 90289471. The reversal of 90289466 is 66498209.

It can be written as a sum of positive squares in 2 ways, for example, as 76930441 + 13359025 = 8771^2 + 3655^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309065 + ... + 309356.

Almost surely, 2^90289466 is an apocalyptic number.

90289466 is a deficient number, since it is larger than the sum of its proper divisors (47000218).

90289466 is a wasteful number, since it uses less digits than its factorization.

90289466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618496.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 90289466 is about 9502.0769308610. The cubic root of 90289466 is about 448.6204102288.

The spelling of 90289466 in words is "ninety million, two hundred eighty-nine thousand, four hundred sixty-six".