90827290 has 8 divisors (see below), whose sum is σ = 163489140. Its totient is φ = 36330912.

The previous prime is 90827281. The next prime is 90827291. The reversal of 90827290 is 9272809.

It can be written as a sum of positive squares in 2 ways, for example, as 79014321 + 11812969 = 8889^2 + 3437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90827291) 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, 4541355 + ... + 4541374.

Almost surely, 2^90827290 is an apocalyptic number.

90827290 is a deficient number, since it is larger than the sum of its proper divisors (72661850).

90827290 is a wasteful number, since it uses less digits than its factorization.

90827290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9082736.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 90827290 is about 9530.3352511861. The cubic root of 90827290 is about 449.5094077350.

The spelling of 90827290 in words is "ninety million, eight hundred twenty-seven thousand, two hundred ninety".