90872269 has 8 divisors (see below), whose sum is σ = 96300000. Its totient is φ = 85509072.

The previous prime is 90872207. The next prime is 90872273. The reversal of 90872269 is 96227809.

It is a happy number.

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 90872269 - 2¹⁷ = 90741197 is a prime.

It is a super-2 number, since 2×90872269² = 16515538546416722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90872869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13219 + ... + 18880.

It is an arithmetic number, because the mean of its divisors is an integer number (12037500).

Almost surely, 2^90872269 is an apocalyptic number.

It is an amenable number.

90872269 is a deficient number, since it is larger than the sum of its proper divisors (5427731).

90872269 is a wasteful number, since it uses less digits than its factorization.

90872269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32267.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 90872269 is about 9532.6947396841. The cubic root of 90872269 is about 449.5835966969.

The spelling of 90872269 in words is "ninety million, eight hundred seventy-two thousand, two hundred sixty-nine".