90318826 has 8 divisors (see below), whose sum is σ = 145899684. Its totient is φ = 41685600.

The previous prime is 90318751. The next prime is 90318827. The reversal of 90318826 is 62881309.

It can be written as a sum of positive squares in 2 ways, for example, as 78765625 + 11553201 = 8875^2 + 3399^2 .

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 (90318827) 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, 1736875 + ... + 1736926.

Almost surely, 2^90318826 is an apocalyptic number.

90318826 is a deficient number, since it is larger than the sum of its proper divisors (55580858).

90318826 is a wasteful number, since it uses less digits than its factorization.

90318826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473816.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 90318826 is about 9503.6217306877. The cubic root of 90318826 is about 448.6690318765.

The spelling of 90318826 in words is "ninety million, three hundred eighteen thousand, eight hundred twenty-six".