344343400 has 24 divisors (see below), whose sum is σ = 800598870. Its totient is φ = 137737280.

The previous prime is 344343371. The next prime is 344343401. The reversal of 344343400 is 4343443.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 293848164 + 50495236 = 17142^2 + 7106^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (344343401) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 860659 + ... + 861058.

Almost surely, 2^344343400 is an apocalyptic number.

It is an amenable number.

344343400 is an abundant number, since it is smaller than the sum of its proper divisors (456255470).

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

344343400 is a wasteful number, since it uses less digits than its factorization.

344343400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721733 (or 1721724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 344343400 is about 18556.4921253991. The cubic root of 344343400 is about 700.9126870372.

Adding to 344343400 its reverse (4343443), we get a palindrome (348686843).

It can be divided in two parts, 34 and 4343400, that added together give a palindrome (4343434).

The spelling of 344343400 in words is "three hundred forty-four million, three hundred forty-three thousand, four hundred".