3456731 has 4 divisors (see below), whose sum is σ = 3508392. Its totient is φ = 3405072.

The previous prime is 3456721. The next prime is 3456737. The reversal of 3456731 is 1376543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3456731 - 2⁶ = 3456667 is a prime.

It is a super-2 number, since 2×3456731² = 23897978412722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3456694 and 3456703.

It is not an unprimeable number, because it can be changed into a prime (3456737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25730 + ... + 25863.

It is an arithmetic number, because the mean of its divisors is an integer number (877098).

Almost surely, 2^3456731 is an apocalyptic number.

3456731 is a deficient number, since it is larger than the sum of its proper divisors (51661).

3456731 is an equidigital number, since it uses as much as digits as its factorization.

3456731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51660.

The product of its digits is 7560, while the sum is 29.

The square root of 3456731 is about 1859.2286034805. The cubic root of 3456731 is about 151.2011849846.

It can be divided in two parts, 34 and 56731, that added together give a palindrome (56765).

The spelling of 3456731 in words is "three million, four hundred fifty-six thousand, seven hundred thirty-one".