90044669 has 8 divisors (see below), whose sum is σ = 105786912. Its totient is φ = 75561840.

The previous prime is 90044663. The next prime is 90044683. The reversal of 90044669 is 96644009.

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 90044669 - 2⁴ = 90044653 is a prime.

It is a super-2 number, since 2×90044669² = 16216084830639122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90044663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314699 + ... + 314984.

It is an arithmetic number, because the mean of its divisors is an integer number (13223364).

Almost surely, 2^90044669 is an apocalyptic number.

It is an amenable number.

90044669 is a deficient number, since it is larger than the sum of its proper divisors (15742243).

90044669 is a wasteful number, since it uses less digits than its factorization.

90044669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629707.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 90044669 is about 9489.1869514727. The cubic root of 90044669 is about 448.2146030853.

The spelling of 90044669 in words is "ninety million, forty-four thousand, six hundred sixty-nine".