3498728 has 16 divisors (see below), whose sum is σ = 6591780. Its totient is φ = 1740928.

The previous prime is 3498709. The next prime is 3498739. The reversal of 3498728 is 8278943.

3498728 is digitally balanced in base 2, 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 3467044 + 31684 = 1862^2 + 178^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926 + ... + 2802.

Almost surely, 2^3498728 is an apocalyptic number.

It is an amenable number.

3498728 is a deficient number, since it is larger than the sum of its proper divisors (3093052).

3498728 is a wasteful number, since it uses less digits than its factorization.

3498728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2112 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 3498728 is about 1870.4887061942. The cubic root of 3498728 is about 151.8110533119.

The spelling of 3498728 in words is "three million, four hundred ninety-eight thousand, seven hundred twenty-eight".