332798321 has 6 divisors (see below), whose sum is σ = 333994866. Its totient is φ = 331604000.

The previous prime is 332798309. The next prime is 332798363. The reversal of 332798321 is 123897233.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 331968400 + 829921 = 18220^2 + 911^2 .

It is not a de Polignac number, because 332798321 - 2¹⁴ = 332781937 is a prime.

It is a super-2 number, since 2×332798321² = 221509444920838082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332791321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364856 + ... + 365766.

It is an arithmetic number, because the mean of its divisors is an integer number (55665811).

Almost surely, 2^332798321 is an apocalyptic number.

It is an amenable number.

332798321 is a deficient number, since it is larger than the sum of its proper divisors (1196545).

332798321 is an frugal number, since it uses more digits than its factorization.

332798321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 1312 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 332798321 is about 18242.7607833902. The cubic root of 332798321 is about 692.9901188738.

The spelling of 332798321 in words is "three hundred thirty-two million, seven hundred ninety-eight thousand, three hundred twenty-one".