326454340 has 12 divisors (see below), whose sum is σ = 685554156. Its totient is φ = 130581728.

The previous prime is 326454329. The next prime is 326454343. The reversal of 326454340 is 43454623.

It can be written as a sum of positive squares in 2 ways, for example, as 112826884 + 213627456 = 10622^2 + 14616^2 .

It is a super-2 number, since 2×326454340² = 213144872209671200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (326454343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8161339 + ... + 8161378.

It is an arithmetic number, because the mean of its divisors is an integer number (57129513).

Almost surely, 2^326454340 is an apocalyptic number.

It is an amenable number.

326454340 is an abundant number, since it is smaller than the sum of its proper divisors (359099816).

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

326454340 is a wasteful number, since it uses less digits than its factorization.

326454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16322726 (or 16322724 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 326454340 is about 18068.0474872079. The cubic root of 326454340 is about 688.5584551065.

The spelling of 326454340 in words is "three hundred twenty-six million, four hundred fifty-four thousand, three hundred forty".