321449338 has 16 divisors (see below), whose sum is σ = 563872320. Its totient is φ = 134559936.

The previous prime is 321449329. The next prime is 321449347. The reversal of 321449338 is 833944123.

It is an interprime number because it is at equal distance from previous prime (321449329) and next prime (321449347).

It is a junction number, because it is equal to n+sod(n) for n = 321449297 and 321449306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266383 + ... + 267586.

It is an arithmetic number, because the mean of its divisors is an integer number (35242020).

Almost surely, 2^321449338 is an apocalyptic number.

321449338 is a deficient number, since it is larger than the sum of its proper divisors (242422982).

321449338 is a wasteful number, since it uses less digits than its factorization.

321449338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534021.

The product of its digits is 62208, while the sum is 37.

The square root of 321449338 is about 17929.0082826686. The cubic root of 321449338 is about 685.0214623783.

The spelling of 321449338 in words is "three hundred twenty-one million, four hundred forty-nine thousand, three hundred thirty-eight".