3485728 has 12 divisors (see below), whose sum is σ = 6862590. Its totient is φ = 1742848.

The previous prime is 3485701. The next prime is 3485737. The reversal of 3485728 is 8275843.

It can be written as a sum of positive squares in only one way, i.e., 3139984 + 345744 = 1772^2 + 588^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54433 + ... + 54496.

Almost surely, 2^3485728 is an apocalyptic number.

It is an amenable number.

3485728 is a deficient number, since it is larger than the sum of its proper divisors (3376862).

3485728 is a wasteful number, since it uses less digits than its factorization.

3485728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108939 (or 108931 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 3485728 is about 1867.0104445343. The cubic root of 3485728 is about 151.6227950769.

The spelling of 3485728 in words is "three million, four hundred eighty-five thousand, seven hundred twenty-eight".