321942349 has 4 divisors (see below), whose sum is σ = 324951264. Its totient is φ = 318933436.

The previous prime is 321942331. The next prime is 321942353. The reversal of 321942349 is 943249123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943249123 = 21179 ⋅44537.

It is a cyclic number.

It is not a de Polignac number, because 321942349 - 2⁷ = 321942221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321942149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504297 + ... + 1504510.

It is an arithmetic number, because the mean of its divisors is an integer number (81237816).

Almost surely, 2^321942349 is an apocalyptic number.

It is an amenable number.

321942349 is a deficient number, since it is larger than the sum of its proper divisors (3008915).

321942349 is a wasteful number, since it uses less digits than its factorization.

321942349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008914.

The product of its digits is 46656, while the sum is 37.

The square root of 321942349 is about 17942.7519907064. The cubic root of 321942349 is about 685.3714922446.

It can be divided in two parts, 32194 and 2349, that added together give a palindrome (34543).

The spelling of 321942349 in words is "three hundred twenty-one million, nine hundred forty-two thousand, three hundred forty-nine".