326828356 has 6 divisors (see below), whose sum is σ = 571949630. Its totient is φ = 163414176.

The previous prime is 326828351. The next prime is 326828357. The reversal of 326828356 is 653828623.

It can be written as a sum of positive squares in only one way, i.e., 267845956 + 58982400 = 16366^2 + 7680^2 .

It is not an unprimeable number, because it can be changed into a prime (326828351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40853541 + ... + 40853548.

Almost surely, 2^326828356 is an apocalyptic number.

It is an amenable number.

326828356 is a deficient number, since it is larger than the sum of its proper divisors (245121274).

326828356 is a wasteful number, since it uses less digits than its factorization.

326828356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81707093 (or 81707091 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 326828356 is about 18078.3947296213. The cubic root of 326828356 is about 688.8213132967.

It can be divided in two parts, 326828 and 356, that added together give a square (327184 = 572²).

The spelling of 326828356 in words is "three hundred twenty-six million, eight hundred twenty-eight thousand, three hundred fifty-six".