90828274 has 4 divisors (see below), whose sum is σ = 136242414. Its totient is φ = 45414136.

The previous prime is 90828253. The next prime is 90828281. The reversal of 90828274 is 47282809.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45468049 + 45360225 = 6743^2 + 6735^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707067 + ... + 22707070.

Almost surely, 2^90828274 is an apocalyptic number.

90828274 is a deficient number, since it is larger than the sum of its proper divisors (45414140).

90828274 is a wasteful number, since it uses less digits than its factorization.

90828274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45414139.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 90828274 is about 9530.3868756730. The cubic root of 90828274 is about 449.5110310198.

The spelling of 90828274 in words is "ninety million, eight hundred twenty-eight thousand, two hundred seventy-four".