321438334 has 32 divisors (see below), whose sum is σ = 566496000. Its totient is φ = 136727640.

The previous prime is 321438307. The next prime is 321438343. The reversal of 321438334 is 433834123.

It is a junction number, because it is equal to n+sod(n) for n = 321438296 and 321438305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93669 + ... + 97039.

It is an arithmetic number, because the mean of its divisors is an integer number (17703000).

Almost surely, 2^321438334 is an apocalyptic number.

321438334 is a deficient number, since it is larger than the sum of its proper divisors (245057666).

321438334 is a wasteful number, since it uses less digits than its factorization.

321438334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533 (or 3519 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 321438334 is about 17928.7014030576. The cubic root of 321438334 is about 685.0136456337.

The spelling of 321438334 in words is "three hundred twenty-one million, four hundred thirty-eight thousand, three hundred thirty-four".