344043400 has 24 divisors (see below), whose sum is σ = 799901370. Its totient is φ = 137617280.

The previous prime is 344043397. The next prime is 344043409. The reversal of 344043400 is 4340443.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 259145604 + 84897796 = 16098^2 + 9214^2 .

It is a super-2 number, since 2×344043400² = 236731722167120000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344043409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 859909 + ... + 860308.

Almost surely, 2^344043400 is an apocalyptic number.

It is an amenable number.

344043400 is an abundant number, since it is smaller than the sum of its proper divisors (455857970).

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

344043400 is a wasteful number, since it uses less digits than its factorization.

344043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720233 (or 1720224 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344043400 is about 18548.4069396808. The cubic root of 344043400 is about 700.7090774033.

Adding to 344043400 its reverse (4340443), we get a palindrome (348383843).

It can be divided in two parts, 344043 and 400, that added together give a palindrome (344443).

The spelling of 344043400 in words is "three hundred forty-four million, forty-three thousand, four hundred".