90584663 has 4 divisors (see below), whose sum is σ = 97552728. Its totient is φ = 83616600.

The previous prime is 90584633. The next prime is 90584693. The reversal of 90584663 is 36648509.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (90584633) and next prime (90584693).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90584663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90584663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90584633) 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, 3484013 + ... + 3484038.

It is an arithmetic number, because the mean of its divisors is an integer number (24388182).

Almost surely, 2^90584663 is an apocalyptic number.

90584663 is a deficient number, since it is larger than the sum of its proper divisors (6968065).

90584663 is a wasteful number, since it uses less digits than its factorization.

90584663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968064.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 90584663 is about 9517.5975434980. The cubic root of 90584663 is about 449.1087925421.

The spelling of 90584663 in words is "ninety million, five hundred eighty-four thousand, six hundred sixty-three".