342321444 has 24 divisors (see below), whose sum is σ = 887500320. Its totient is φ = 114107112.

The previous prime is 342321383. The next prime is 342321449. The reversal of 342321444 is 444123243.

It is a happy number.

It is a super-3 number, since 3×342321444³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (342321449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584714 + ... + 1584929.

It is an arithmetic number, because the mean of its divisors is an integer number (36979180).

Almost surely, 2^342321444 is an apocalyptic number.

It is an amenable number.

342321444 is an abundant number, since it is smaller than the sum of its proper divisors (545178876).

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

342321444 is a wasteful number, since it uses less digits than its factorization.

342321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169656 (or 3169648 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 342321444 is about 18501.9308181606. The cubic root of 342321444 is about 699.5380925481.

Adding to 342321444 its reverse (444123243), we get a palindrome (786444687).

The spelling of 342321444 in words is "three hundred forty-two million, three hundred twenty-one thousand, four hundred forty-four".