90462665 has 8 divisors (see below), whose sum is σ = 108676680. Its totient is φ = 72289152.

The previous prime is 90462653. The next prime is 90462707. The reversal of 90462665 is 56626409.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 88209664 = 1501^2 + 9392^2 .

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 90462665 - 2⁴ = 90462649 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4970 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (13584585).

Almost surely, 2^90462665 is an apocalyptic number.

It is an amenable number.

90462665 is a deficient number, since it is larger than the sum of its proper divisors (18214015).

90462665 is a wasteful number, since it uses less digits than its factorization.

90462665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 90462665 is about 9511.1863087630. The cubic root of 90462665 is about 448.9070844089.

It can be divided in two parts, 9046 and 2665, that added together give a palindrome (11711).

The spelling of 90462665 in words is "ninety million, four hundred sixty-two thousand, six hundred sixty-five".