321412344 has 32 divisors (see below), whose sum is σ = 876579840. Its totient is φ = 97397600.

The previous prime is 321412339. The next prime is 321412363. The reversal of 321412344 is 443214123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608472 + ... + 608999.

It is an arithmetic number, because the mean of its divisors is an integer number (27393120).

Almost surely, 2^321412344 is an apocalyptic number.

It is an amenable number.

321412344 is an abundant number, since it is smaller than the sum of its proper divisors (555167496).

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

321412344 is a wasteful number, since it uses less digits than its factorization.

321412344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217491 (or 1217487 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 321412344 is about 17927.9765729432. The cubic root of 321412344 is about 684.9951828031.

Adding to 321412344 its reverse (443214123), we get a palindrome (764626467).

The spelling of 321412344 in words is "three hundred twenty-one million, four hundred twelve thousand, three hundred forty-four".