4349681 has 12 divisors (see below), whose sum is σ = 5236020. Its totient is φ = 3598560.

The previous prime is 4349677. The next prime is 4349687. The reversal of 4349681 is 1869434.

4349681 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 960400 = 1841^2 + 980^2 .

It is not a de Polignac number, because 4349681 - 2² = 4349677 is a prime.

It is a super-2 number, since 2×4349681² = 37839449603522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

4349681 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (4349687) 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, 110 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (436335).

Almost surely, 2^4349681 is an apocalyptic number.

It is an amenable number.

4349681 is a deficient number, since it is larger than the sum of its proper divisors (886339).

4349681 is a wasteful number, since it uses less digits than its factorization.

4349681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104 (or 3097 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 4349681 is about 2085.5888856628. The cubic root of 4349681 is about 163.2371996652.

The spelling of 4349681 in words is "four million, three hundred forty-nine thousand, six hundred eighty-one".