344964681 has 12 divisors (see below), whose sum is σ = 506728560. Its totient is φ = 226078200.

The previous prime is 344964671. The next prime is 344964691. The reversal of 344964681 is 186469443.

It is an interprime number because it is at equal distance from previous prime (344964671) and next prime (344964691).

It is not a de Polignac number, because 344964681 - 2¹⁵ = 344931913 is a prime.

It is a super-2 number, since 2×344964681² = 238001262274863522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344964601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324295 + ... + 325356.

It is an arithmetic number, because the mean of its divisors is an integer number (42227380).

Almost surely, 2^344964681 is an apocalyptic number.

It is an amenable number.

344964681 is a deficient number, since it is larger than the sum of its proper divisors (161763879).

344964681 is a wasteful number, since it uses less digits than its factorization.

344964681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649716 (or 649713 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 344964681 is about 18573.2248411524. The cubic root of 344964681 is about 701.3339739487. Note that the first 3 decimals are identical.

The spelling of 344964681 in words is "three hundred forty-four million, nine hundred sixty-four thousand, six hundred eighty-one".