326920860 has 240 divisors, whose sum is σ = 1186504704. Its totient is φ = 73809792.

The previous prime is 326920843. The next prime is 326920871. The reversal of 326920860 is 68029623.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1440067 + ... + 1440293.

Almost surely, 2^326920860 is an apocalyptic number.

326920860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326920860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593252352).

326920860 is an abundant number, since it is smaller than the sum of its proper divisors (859583844).

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

326920860 is a wasteful number, since it uses less digits than its factorization.

326920860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 326920860 is about 18080.9529616113. The cubic root of 326920860 is about 688.8862941090.

The spelling of 326920860 in words is "three hundred twenty-six million, nine hundred twenty thousand, eight hundred sixty".