321434942 has 4 divisors (see below), whose sum is σ = 482152416. Its totient is φ = 160717470.

The previous prime is 321434921. The next prime is 321434969. The reversal of 321434942 is 249434123.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 321434899 and 321434908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80358734 + ... + 80358737.

It is an arithmetic number, because the mean of its divisors is an integer number (120538104).

Almost surely, 2^321434942 is an apocalyptic number.

321434942 is a deficient number, since it is larger than the sum of its proper divisors (160717474).

321434942 is a wasteful number, since it uses less digits than its factorization.

321434942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160717473.

The product of its digits is 20736, while the sum is 32.

The square root of 321434942 is about 17928.6068058843. The cubic root of 321434942 is about 685.0112360741.

The spelling of 321434942 in words is "three hundred twenty-one million, four hundred thirty-four thousand, nine hundred forty-two".