321412304 has 20 divisors (see below), whose sum is σ = 649812576. Its totient is φ = 153718752.

The previous prime is 321412279. The next prime is 321412321. The reversal of 321412304 is 403214123.

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, 436334 + ... + 437069.

Almost surely, 2^321412304 is an apocalyptic number.

It is an amenable number.

321412304 is an abundant number, since it is smaller than the sum of its proper divisors (328400272).

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

321412304 is a wasteful number, since it uses less digits than its factorization.

321412304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873434 (or 873428 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 321412304 is about 17927.9754573683. The cubic root of 321412304 is about 684.9951543870.

Adding to 321412304 its reverse (403214123), we get a palindrome (724626427).

The spelling of 321412304 in words is "three hundred twenty-one million, four hundred twelve thousand, three hundred four".