90676249 has 4 divisors (see below), whose sum is σ = 96010164. Its totient is φ = 85342336.

The previous prime is 90676241. The next prime is 90676277. The reversal of 90676249 is 94267609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94267609 = 3671 ⋅25679.

It can be written as a sum of positive squares in 2 ways, for example, as 26163225 + 64513024 = 5115^2 + 8032^2 .

It is a cyclic number.

It is not a de Polignac number, because 90676249 - 2³ = 90676241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90676241) 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, 2666932 + ... + 2666965.

It is an arithmetic number, because the mean of its divisors is an integer number (24002541).

Almost surely, 2^90676249 is an apocalyptic number.

It is an amenable number.

90676249 is a deficient number, since it is larger than the sum of its proper divisors (5333915).

90676249 is a wasteful number, since it uses less digits than its factorization.

90676249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333914.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 90676249 is about 9522.4077312411. The cubic root of 90676249 is about 449.2600993309.

The spelling of 90676249 in words is "ninety million, six hundred seventy-six thousand, two hundred forty-nine".