3256728 has 16 divisors (see below), whose sum is σ = 8141880. Its totient is φ = 1085568.

The previous prime is 3256727. The next prime is 3256739. The reversal of 3256728 is 8276523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256723) 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, 67825 + ... + 67872.

Almost surely, 2^3256728 is an apocalyptic number.

It is an amenable number.

3256728 is an abundant number, since it is smaller than the sum of its proper divisors (4885152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3256728 is a wasteful number, since it uses less digits than its factorization.

3256728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135706 (or 135702 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 3256728 is about 1804.6406844577. The cubic root of 3256728 is about 148.2269466792.

The spelling of 3256728 in words is "three million, two hundred fifty-six thousand, seven hundred twenty-eight".