326023890 has 16 divisors (see below), whose sum is σ = 782457408. Its totient is φ = 86939696.

The previous prime is 326023883. The next prime is 326023921. The reversal of 326023890 is 98320623.

326023890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 5433702 + ... + 5433761.

It is an arithmetic number, because the mean of its divisors is an integer number (48903588).

Almost surely, 2^326023890 is an apocalyptic number.

326023890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

326023890 is an abundant number, since it is smaller than the sum of its proper divisors (456433518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326023890 is a wasteful number, since it uses less digits than its factorization.

326023890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867473.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 326023890 is about 18056.1316455103. The cubic root of 326023890 is about 688.2556865254.

The spelling of 326023890 in words is "three hundred twenty-six million, twenty-three thousand, eight hundred ninety".