3489723 has 14 divisors (see below), whose sum is σ = 5233284. Its totient is φ = 2325996.

The previous prime is 3489713. The next prime is 3489757. The reversal of 3489723 is 3279843.

It is not a de Polignac number, because 3489723 - 2⁵ = 3489691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3489713) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1665 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (373806).

Almost surely, 2^3489723 is an apocalyptic number.

3489723 is a deficient number, since it is larger than the sum of its proper divisors (1743561).

3489723 is an frugal number, since it uses more digits than its factorization.

3489723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805 (or 4790 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3489723 is about 1868.0800304055. The cubic root of 3489723 is about 151.6806980270.

The spelling of 3489723 in words is "three million, four hundred eighty-nine thousand, seven hundred twenty-three".