3512728 has 16 divisors (see below), whose sum is σ = 6620760. Its totient is φ = 1747200.

The previous prime is 3512699. The next prime is 3512737. The reversal of 3512728 is 8272153.

3512728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3512728³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3512696 and 3512705.

It is a congruent number.

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, 648 + ... + 2728.

Almost surely, 2^3512728 is an apocalyptic number.

It is an amenable number.

3512728 is a deficient number, since it is larger than the sum of its proper divisors (3108032).

3512728 is a wasteful number, since it uses less digits than its factorization.

3512728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2294 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 3512728 is about 1874.2273074523. The cubic root of 3512728 is about 152.0132721559.

The spelling of 3512728 in words is "three million, five hundred twelve thousand, seven hundred twenty-eight".