3251428 has 6 divisors (see below), whose sum is σ = 5690006. Its totient is φ = 1625712.

The previous prime is 3251411. The next prime is 3251447. The reversal of 3251428 is 8241523.

3251428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2408704 + 842724 = 1552^2 + 918^2 .

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 as a sum of consecutive naturals, namely, 406425 + ... + 406432.

Almost surely, 2^3251428 is an apocalyptic number.

It is an amenable number.

3251428 is a deficient number, since it is larger than the sum of its proper divisors (2438578).

3251428 is a wasteful number, since it uses less digits than its factorization.

3251428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812861 (or 812859 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 3251428 is about 1803.1716501764. The cubic root of 3251428 is about 148.1464948303.

The spelling of 3251428 in words is "three million, two hundred fifty-one thousand, four hundred twenty-eight".