3257028 has 18 divisors (see below), whose sum is σ = 8233134. Its totient is φ = 1085664.

The previous prime is 3257027. The next prime is 3257063. The reversal of 3257028 is 8207523.

It can be written as a sum of positive squares in only one way, i.e., 3090564 + 166464 = 1758^2 + 408^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 3256992 and 3257010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3257027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45201 + ... + 45272.

Almost surely, 2^3257028 is an apocalyptic number.

It is an amenable number.

3257028 is an abundant number, since it is smaller than the sum of its proper divisors (4976106).

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

3257028 is a wasteful number, since it uses less digits than its factorization.

3257028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90483 (or 90478 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3257028 is about 1804.7238015829. The cubic root of 3257028 is about 148.2314979464.

The spelling of 3257028 in words is "three million, two hundred fifty-seven thousand, twenty-eight".