344457 has 6 divisors (see below), whose sum is σ = 497562. Its totient is φ = 229632.

The previous prime is 344453. The next prime is 344479. The reversal of 344457 is 754443.

It can be written as a sum of positive squares in only one way, i.e., 335241 + 9216 = 579^2 + 96^2 .

It is not a de Polignac number, because 344457 - 2² = 344453 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 4 + 4⁶ + 4⁹ + 5⁷ + 7 .

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 344457.

It is not an unprimeable number, because it can be changed into a prime (344453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19128 + ... + 19145.

It is an arithmetic number, because the mean of its divisors is an integer number (82927).

2³⁴⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

344457 is a deficient number, since it is larger than the sum of its proper divisors (153105).

344457 is a wasteful number, since it uses less digits than its factorization.

344457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38279 (or 38276 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 344457 is about 586.9045919057. The cubic root of 344457 is about 70.0989756349.

The spelling of 344457 in words is "three hundred forty-four thousand, four hundred fifty-seven".