321427946 has 24 divisors (see below), whose sum is σ = 574545636. Its totient is φ = 134393280.

The previous prime is 321427943. The next prime is 321427957. The reversal of 321427946 is 649724123.

321427946 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 243016921 + 78411025 = 15589^2 + 8855^2 .

It is not an unprimeable number, because it can be changed into a prime (321427943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35981 + ... + 44016.

Almost surely, 2^321427946 is an apocalyptic number.

321427946 is a deficient number, since it is larger than the sum of its proper divisors (253117690).

321427946 is a wasteful number, since it uses less digits than its factorization.

321427946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80054 (or 80047 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 321427946 is about 17928.4116976379. The cubic root of 321427946 is about 685.0062663039.

The spelling of 321427946 in words is "three hundred twenty-one million, four hundred twenty-seven thousand, nine hundred forty-six".