326520 has 48 divisors (see below), whose sum is σ = 1062360. Its totient is φ = 86976.

The previous prime is 326503. The next prime is 326537. The reversal of 326520 is 25623.

326520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (326503) and next prime (326537).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 326493 and 326502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94 + ... + 813.

2³²⁶⁵²⁰ is an apocalyptic number.

326520 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 326520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531180).

326520 is an abundant number, since it is smaller than the sum of its proper divisors (735840).

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

326520 is a wasteful number, since it uses less digits than its factorization.

326520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 326520 is about 571.4192856388. The cubic root of 326520 is about 68.8604615434.

The spelling of 326520 in words is "three hundred twenty-six thousand, five hundred twenty".