3428072 has 8 divisors (see below), whose sum is σ = 6427650. Its totient is φ = 1714032.

The previous prime is 3428071. The next prime is 3428083. The reversal of 3428072 is 2708243.

3428072 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., 3363556 + 64516 = 1834^2 + 254^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3428071) by changing a digit.

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, 214247 + ... + 214262.

Almost surely, 2^3428072 is an apocalyptic number.

It is an amenable number.

3428072 is a deficient number, since it is larger than the sum of its proper divisors (2999578).

3428072 is a wasteful number, since it uses less digits than its factorization.

3428072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428515 (or 428511 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3428072 is about 1851.5053335057. The cubic root of 3428072 is about 150.7821662029.

The spelling of 3428072 in words is "three million, four hundred twenty-eight thousand, seventy-two".