326890000 has 100 divisors (see below), whose sum is σ = 801965164. Its totient is φ = 129024000.

The previous prime is 326889989. The next prime is 326890027. The reversal of 326890000 is 98623.

It can be written as a sum of positive squares in 10 ways, for example, as 287099136 + 39790864 = 16944^2 + 6308^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 969832 + ... + 970168.

Almost surely, 2^326890000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400982582).

326890000 is an abundant number, since it is smaller than the sum of its proper divisors (475075164).

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

326890000 is an equidigital number, since it uses as much as digits as its factorization.

326890000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 326890000 is about 18080.0995572480. The cubic root of 326890000 is about 688.8646174052.

The spelling of 326890000 in words is "three hundred twenty-six million, eight hundred ninety thousand".