340403244 has 12 divisors (see below), whose sum is σ = 794274264. Its totient is φ = 113467744.

The previous prime is 340403237. The next prime is 340403249. The reversal of 340403244 is 442304043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (340403249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14183457 + ... + 14183480.

It is an arithmetic number, because the mean of its divisors is an integer number (66189522).

Almost surely, 2^340403244 is an apocalyptic number.

It is an amenable number.

340403244 is an abundant number, since it is smaller than the sum of its proper divisors (453871020).

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

340403244 is a wasteful number, since it uses less digits than its factorization.

340403244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366944 (or 28366942 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 340403244 is about 18450.0201625906. The cubic root of 340403244 is about 698.2290225825.

Adding to 340403244 its reverse (442304043), we get a palindrome (782707287).

The spelling of 340403244 in words is "three hundred forty million, four hundred three thousand, two hundred forty-four".