326821412 has 6 divisors (see below), whose sum is σ = 571937478. Its totient is φ = 163410704.

The previous prime is 326821403. The next prime is 326821427. The reversal of 326821412 is 214128623.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 212459776 + 114361636 = 14576^2 + 10694^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40852673 + ... + 40852680.

It is an arithmetic number, because the mean of its divisors is an integer number (95322913).

Almost surely, 2^326821412 is an apocalyptic number.

It is an amenable number.

326821412 is a deficient number, since it is larger than the sum of its proper divisors (245116066).

326821412 is a wasteful number, since it uses less digits than its factorization.

326821412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81705357 (or 81705355 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 326821412 is about 18078.2026761512. The cubic root of 326821412 is about 688.8164348858.

The spelling of 326821412 in words is "three hundred twenty-six million, eight hundred twenty-one thousand, four hundred twelve".