321434842 has 8 divisors (see below), whose sum is σ = 483120000. Its totient is φ = 160394844.

The previous prime is 321434809. The next prime is 321434843. The reversal of 321434842 is 248434123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (321434843) 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, 160042 + ... + 162037.

It is an arithmetic number, because the mean of its divisors is an integer number (60390000).

Almost surely, 2^321434842 is an apocalyptic number.

321434842 is a deficient number, since it is larger than the sum of its proper divisors (161685158).

321434842 is a wasteful number, since it uses less digits than its factorization.

321434842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322580.

The product of its digits is 18432, while the sum is 31.

The square root of 321434842 is about 17928.6040170449. The cubic root of 321434842 is about 685.0111650373.

Adding to 321434842 its reverse (248434123), we get a palindrome (569868965).

The spelling of 321434842 in words is "three hundred twenty-one million, four hundred thirty-four thousand, eight hundred forty-two".