326280404 has 6 divisors (see below), whose sum is σ = 570990714. Its totient is φ = 163140200.

The previous prime is 326280403. The next prime is 326280463. The reversal of 326280404 is 404082623.

It can be written as a sum of positive squares in only one way, i.e., 318979600 + 7300804 = 17860^2 + 2702^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326280403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40785047 + ... + 40785054.

It is an arithmetic number, because the mean of its divisors is an integer number (95165119).

Almost surely, 2^326280404 is an apocalyptic number.

It is an amenable number.

326280404 is a deficient number, since it is larger than the sum of its proper divisors (244710310).

326280404 is a wasteful number, since it uses less digits than its factorization.

326280404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81570105 (or 81570103 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 326280404 is about 18063.2334868373. The cubic root of 326280404 is about 688.4361446070.

The spelling of 326280404 in words is "three hundred twenty-six million, two hundred eighty thousand, four hundred four".