344564340 has 48 divisors (see below), whose sum is σ = 966138432. Its totient is φ = 91754496.

The previous prime is 344564327. The next prime is 344564383. The reversal of 344564340 is 43465443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43572 + ... + 50868.

It is an arithmetic number, because the mean of its divisors is an integer number (20127884).

Almost surely, 2^344564340 is an apocalyptic number.

344564340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344564340 is an abundant number, since it is smaller than the sum of its proper divisors (621574092).

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

344564340 is a wasteful number, since it uses less digits than its factorization.

344564340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096 (or 8094 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 344564340 is about 18562.4443433509. Note that the first 3 decimals coincide. The cubic root of 344564340 is about 701.0625631397.

The spelling of 344564340 in words is "three hundred forty-four million, five hundred sixty-four thousand, three hundred forty".