90453669 has 8 divisors (see below), whose sum is σ = 122880672. Its totient is φ = 59164560.

The previous prime is 90453647. The next prime is 90453679. The reversal of 90453669 is 96635409.

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

It is not a de Polignac number, because 90453669 - 2⁹ = 90453157 is a prime.

It is a super-2 number, since 2×90453669² = 16363732471123122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90453669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90453679) by changing a digit.

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, 284287 + ... + 284604.

It is an arithmetic number, because the mean of its divisors is an integer number (15360084).

Almost surely, 2^90453669 is an apocalyptic number.

It is an amenable number.

90453669 is a deficient number, since it is larger than the sum of its proper divisors (32427003).

90453669 is a wasteful number, since it uses less digits than its factorization.

90453669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568947.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 90453669 is about 9510.7133801834. The cubic root of 90453669 is about 448.8922034927.

The spelling of 90453669 in words is "ninety million, four hundred fifty-three thousand, six hundred sixty-nine".