90269361 has 48 divisors (see below), whose sum is σ = 168954240. Its totient is φ = 45100800.

The previous prime is 90269321. The next prime is 90269363. The reversal of 90269361 is 16396209.

It is not a de Polignac number, because 90269361 - 2⁶ = 90269297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90269363) 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 47 ways as a sum of consecutive naturals, for example, 12661 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (3519880).

Almost surely, 2^90269361 is an apocalyptic number.

90269361 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

90269361 is a deficient number, since it is larger than the sum of its proper divisors (78684879).

90269361 is a wasteful number, since it uses less digits than its factorization.

90269361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5843 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 90269361 is about 9501.0189453553. The cubic root of 90269361 is about 448.5871092496.

The spelling of 90269361 in words is "ninety million, two hundred sixty-nine thousand, three hundred sixty-one".