326238290 has 16 divisors (see below), whose sum is σ = 671118912. Its totient is φ = 111853104.

The previous prime is 326238277. The next prime is 326238293. The reversal of 326238290 is 92832623.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 326238290.

It is not an unprimeable number, because it can be changed into a prime (326238293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330204 + ... + 2330343.

It is an arithmetic number, because the mean of its divisors is an integer number (41944932).

Almost surely, 2^326238290 is an apocalyptic number.

326238290 is an abundant number, since it is smaller than the sum of its proper divisors (344880622).

326238290 is a wasteful number, since it uses less digits than its factorization.

326238290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660561.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 326238290 is about 18062.0677110900. The cubic root of 326238290 is about 688.4065238198.

The spelling of 326238290 in words is "three hundred twenty-six million, two hundred thirty-eight thousand, two hundred ninety".