321696348 has 12 divisors (see below), whose sum is σ = 750624840. Its totient is φ = 107232112.

The previous prime is 321696317. The next prime is 321696383. The reversal of 321696348 is 843696123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13404003 + ... + 13404026.

It is an arithmetic number, because the mean of its divisors is an integer number (62552070).

Almost surely, 2^321696348 is an apocalyptic number.

It is an amenable number.

321696348 is an abundant number, since it is smaller than the sum of its proper divisors (428928492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321696348 is a wasteful number, since it uses less digits than its factorization.

321696348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26808036 (or 26808034 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 321696348 is about 17935.8955170909. The cubic root of 321696348 is about 685.1968802009.

The spelling of 321696348 in words is "three hundred twenty-one million, six hundred ninety-six thousand, three hundred forty-eight".