3428787 has 4 divisors (see below), whose sum is σ = 4571720. Its totient is φ = 2285856.

The previous prime is 3428783. The next prime is 3428801. The reversal of 3428787 is 7878243.

3428787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3428787 - 2² = 3428783 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3428783) 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, 571462 + ... + 571467.

It is an arithmetic number, because the mean of its divisors is an integer number (1142930).

Almost surely, 2^3428787 is an apocalyptic number.

3428787 is a deficient number, since it is larger than the sum of its proper divisors (1142933).

3428787 is a wasteful number, since it uses less digits than its factorization.

3428787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142932.

The product of its digits is 75264, while the sum is 39.

The square root of 3428787 is about 1851.6984095689. The cubic root of 3428787 is about 150.7926484560.

The spelling of 3428787 in words is "three million, four hundred twenty-eight thousand, seven hundred eighty-seven".