3246728 has 16 divisors (see below), whose sum is σ = 6445980. Its totient is φ = 1527808.

The previous prime is 3246721. The next prime is 3246743. The reversal of 3246728 is 8276423.

It can be written as a sum of positive squares in 2 ways, for example, as 3232804 + 13924 = 1798^2 + 118^2 .

It is a super-4 number, since 4×3246728⁴ (a number of 27 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3246694 and 3246703.

It is not an unprimeable number, because it can be changed into a prime (3246721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11801 + ... + 12072.

Almost surely, 2^3246728 is an apocalyptic number.

It is an amenable number.

3246728 is a deficient number, since it is larger than the sum of its proper divisors (3199252).

3246728 is a wasteful number, since it uses less digits than its factorization.

3246728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23896 (or 23892 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 3246728 is about 1801.8679196878. The cubic root of 3246728 is about 148.0750775643.

The spelling of 3246728 in words is "three million, two hundred forty-six thousand, seven hundred twenty-eight".