326245530 has 64 divisors (see below), whose sum is σ = 845647488. Its totient is φ = 80075520.

The previous prime is 326245481. The next prime is 326245553. The reversal of 326245530 is 35542623.

It is a super-2 number, since 2×326245530² = 212872291689961800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163197 + ... + 165183.

It is an arithmetic number, because the mean of its divisors is an integer number (13213242).

Almost surely, 2^326245530 is an apocalyptic number.

326245530 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 326245530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422823744).

326245530 is an abundant number, since it is smaller than the sum of its proper divisors (519401958).

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

326245530 is a wasteful number, since it uses less digits than its factorization.

326245530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 326245530 is about 18062.2681299996. The cubic root of 326245530 is about 688.4116162389.

The spelling of 326245530 in words is "three hundred twenty-six million, two hundred forty-five thousand, five hundred thirty".