90269489 has 8 divisors (see below), whose sum is σ = 96395520. Its totient is φ = 84344400.

The previous prime is 90269483. The next prime is 90269527. The reversal of 90269489 is 98496209.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90269489 is a prime.

It is a super-2 number, since 2×90269489² = 16297161288642242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90269483) 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, 49307 + ... + 51104.

It is an arithmetic number, because the mean of its divisors is an integer number (12049440).

Almost surely, 2^90269489 is an apocalyptic number.

It is an amenable number.

90269489 is a deficient number, since it is larger than the sum of its proper divisors (6126031).

90269489 is a wasteful number, since it uses less digits than its factorization.

90269489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100471.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 90269489 is about 9501.0256814725. The cubic root of 90269489 is about 448.5873212784.

The spelling of 90269489 in words is "ninety million, two hundred sixty-nine thousand, four hundred eighty-nine".