321422949 has 12 divisors (see below), whose sum is σ = 467395500. Its totient is φ = 212842944.

The previous prime is 321422947. The next prime is 321422987. The reversal of 321422949 is 949224123.

321422949 is a `hidden beast` number, since 321 + 42 + 294 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 164096100 + 157326849 = 12810^2 + 12543^2 .

It is not a de Polignac number, because 321422949 - 2¹ = 321422947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321422947) 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, 118504 + ... + 121185.

It is an arithmetic number, because the mean of its divisors is an integer number (38949625).

Almost surely, 2^321422949 is an apocalyptic number.

It is an amenable number.

321422949 is a deficient number, since it is larger than the sum of its proper divisors (145972551).

321422949 is a wasteful number, since it uses less digits than its factorization.

321422949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239844 (or 239841 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 321422949 is about 17928.2723372889. The cubic root of 321422949 is about 685.0027165254.

The spelling of 321422949 in words is "three hundred twenty-one million, four hundred twenty-two thousand, nine hundred forty-nine".