3499731 has 6 divisors (see below), whose sum is σ = 5055180. Its totient is φ = 2333148.

The previous prime is 3499721. The next prime is 3499757. The reversal of 3499731 is 1379943.

It is not a de Polignac number, because 3499731 - 2¹⁹ = 2975443 is a prime.

It is a super-2 number, since 2×3499731² = 24496234144722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3499711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194421 + ... + 194438.

It is an arithmetic number, because the mean of its divisors is an integer number (842530).

Almost surely, 2^3499731 is an apocalyptic number.

3499731 is a deficient number, since it is larger than the sum of its proper divisors (1555449).

3499731 is a wasteful number, since it uses less digits than its factorization.

3499731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388865 (or 388862 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3499731 is about 1870.7567987315. The cubic root of 3499731 is about 151.8255587683.

The spelling of 3499731 in words is "three million, four hundred ninety-nine thousand, seven hundred thirty-one".