90884674 has 4 divisors (see below), whose sum is σ = 136327014. Its totient is φ = 45442336.

The previous prime is 90884641. The next prime is 90884687. The reversal of 90884674 is 47648809.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47648809 = 13 ⋅3665293.

It can be written as a sum of positive squares in only one way, i.e., 79085449 + 11799225 = 8893^2 + 3435^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22721167 + ... + 22721170.

Almost surely, 2^90884674 is an apocalyptic number.

90884674 is a deficient number, since it is larger than the sum of its proper divisors (45442340).

90884674 is a wasteful number, since it uses less digits than its factorization.

90884674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45442339.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 90884674 is about 9533.3453729528. The cubic root of 90884674 is about 449.6040533622.

The spelling of 90884674 in words is "ninety million, eight hundred eighty-four thousand, six hundred seventy-four".