3264728 has 8 divisors (see below), whose sum is σ = 6121380. Its totient is φ = 1632360.

The previous prime is 3264721. The next prime is 3264743. The reversal of 3264728 is 8274623.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3264694 and 3264703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3264721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204038 + ... + 204053.

Almost surely, 2^3264728 is an apocalyptic number.

It is an amenable number.

3264728 is a deficient number, since it is larger than the sum of its proper divisors (2856652).

3264728 is a wasteful number, since it uses less digits than its factorization.

3264728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408097 (or 408093 counting only the distinct ones).

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

The square root of 3264728 is about 1806.8558326552. The cubic root of 3264728 is about 148.3482182877.

The spelling of 3264728 in words is "three million, two hundred sixty-four thousand, seven hundred twenty-eight".