3428272 has 20 divisors (see below), whose sum is σ = 6822976. Its totient is φ = 1667520.

The previous prime is 3428267. The next prime is 3428279. The reversal of 3428272 is 2728243.

3428272 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a pancake number, because a pancake can be divided into 3428272 parts by 2618 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 3428272.

It is not an unprimeable number, because it can be changed into a prime (3428279) 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 in 3 ways as a sum of consecutive naturals, for example, 2304 + ... + 3487.

Almost surely, 2^3428272 is an apocalyptic number.

It is an amenable number.

3428272 is a deficient number, since it is larger than the sum of its proper divisors (3394704).

3428272 is a wasteful number, since it uses less digits than its factorization.

3428272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836 (or 5830 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 3428272 is about 1851.5593428243. The cubic root of 3428272 is about 150.7850984485.

It can be divided in two parts, 3 and 428272, that added together give a triangular number (428275 = T₉₂₅).

The spelling of 3428272 in words is "three million, four hundred twenty-eight thousand, two hundred seventy-two".