344336740 has 24 divisors (see below), whose sum is σ = 788844672. Its totient is φ = 125213280.

The previous prime is 344336687. The next prime is 344336743. The reversal of 344336740 is 47633443.

It is a junction number, because it is equal to n+sod(n) for n = 344336696 and 344336705.

It is not an unprimeable number, because it can be changed into a prime (344336743) 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 7 ways as a sum of consecutive naturals, for example, 782364 + ... + 782803.

It is an arithmetic number, because the mean of its divisors is an integer number (32868528).

Almost surely, 2^344336740 is an apocalyptic number.

It is an amenable number.

344336740 is an abundant number, since it is smaller than the sum of its proper divisors (444507932).

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

344336740 is a wasteful number, since it uses less digits than its factorization.

344336740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565187 (or 1565185 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 34.

The square root of 344336740 is about 18556.3126725112. The cubic root of 344336740 is about 700.9081681872.

The spelling of 344336740 in words is "three hundred forty-four million, three hundred thirty-six thousand, seven hundred forty".