342043400 has 96 divisors (see below), whose sum is σ = 871317000. Its totient is φ = 124293120.

The previous prime is 342043391. The next prime is 342043411. The reversal of 342043400 is 4340243.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 3556996 + 338486404 = 1886^2 + 18398^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96866 + ... + 100334.

Almost surely, 2^342043400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435658500).

342043400 is an abundant number, since it is smaller than the sum of its proper divisors (529273600).

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

342043400 is a wasteful number, since it uses less digits than its factorization.

342043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 342043400 is about 18494.4153732958. The cubic root of 342043400 is about 699.3486457997.

Adding to 342043400 its reverse (4340243), we get a palindrome (346383643).

The spelling of 342043400 in words is "three hundred forty-two million, forty-three thousand, four hundred".