344790140 has 12 divisors (see below), whose sum is σ = 724059336. Its totient is φ = 137916048.

The previous prime is 344790109. The next prime is 344790143. The reversal of 344790140 is 41097443.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 344790097 and 344790106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344790143) 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 3 ways as a sum of consecutive naturals, for example, 8619734 + ... + 8619773.

It is an arithmetic number, because the mean of its divisors is an integer number (60338278).

Almost surely, 2^344790140 is an apocalyptic number.

It is an amenable number.

344790140 is an abundant number, since it is smaller than the sum of its proper divisors (379269196).

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

344790140 is a wasteful number, since it uses less digits than its factorization.

344790140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17239516 (or 17239514 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 344790140 is about 18568.5255203530. The cubic root of 344790140 is about 701.2156698719.

The spelling of 344790140 in words is "three hundred forty-four million, seven hundred ninety thousand, one hundred forty".