326610630 has 80 divisors (see below), whose sum is σ = 929918880. Its totient is φ = 81969408.

The previous prime is 326610629. The next prime is 326610667. The reversal of 326610630 is 36016623.

326610630 is a `hidden beast` number, since 3 + 26 + 6 + 1 + 0 + 630 = 666.

326610630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 326610594 and 326610603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1911 + ... + 25629.

It is an arithmetic number, because the mean of its divisors is an integer number (11623986).

Almost surely, 2^326610630 is an apocalyptic number.

326610630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326610630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464959440).

326610630 is an abundant number, since it is smaller than the sum of its proper divisors (603308250).

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

326610630 is a wasteful number, since it uses less digits than its factorization.

326610630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23755 (or 23746 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 326610630 is about 18072.3720081233. The cubic root of 326610630 is about 688.6683200185.

The spelling of 326610630 in words is "three hundred twenty-six million, six hundred ten thousand, six hundred thirty".