90366249 has 4 divisors (see below), whose sum is σ = 120488336. Its totient is φ = 60244164.

The previous prime is 90366197. The next prime is 90366253. The reversal of 90366249 is 94266309.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 90366249 - 2¹⁷ = 90235177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90366449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15061039 + ... + 15061044.

It is an arithmetic number, because the mean of its divisors is an integer number (30122084).

Almost surely, 2^90366249 is an apocalyptic number.

It is an amenable number.

90366249 is a deficient number, since it is larger than the sum of its proper divisors (30122087).

90366249 is a wasteful number, since it uses less digits than its factorization.

90366249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30122086.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 90366249 is about 9506.1163994557. The cubic root of 90366249 is about 448.7475445173.

The spelling of 90366249 in words is "ninety million, three hundred sixty-six thousand, two hundred forty-nine".