3459681 has 12 divisors (see below), whose sum is σ = 5092308. Its totient is φ = 2262624.

The previous prime is 3459649. The next prime is 3459713. The reversal of 3459681 is 1869543.

It is an interprime number because it is at equal distance from previous prime (3459649) and next prime (3459713).

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 950625 = 1584^2 + 975^2 .

It is not a de Polignac number, because 3459681 - 2⁵ = 3459649 is a prime.

It is a super-2 number, since 2×3459681² = 23938785243522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3459601) 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, 3150 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (424359).

Almost surely, 2^3459681 is an apocalyptic number.

It is an amenable number.

3459681 is a deficient number, since it is larger than the sum of its proper divisors (1632627).

3459681 is a wasteful number, since it uses less digits than its factorization.

3459681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312 (or 7309 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3459681 is about 1860.0217740661. The cubic root of 3459681 is about 151.2441848275.

It can be divided in two parts, 34596 and 81, that multiplied together give a square (2802276 = 1674²).

The spelling of 3459681 in words is "three million, four hundred fifty-nine thousand, six hundred eighty-one".