3428765 has 4 divisors (see below), whose sum is σ = 4114524. Its totient is φ = 2743008.

The previous prime is 3428743. The next prime is 3428783. The reversal of 3428765 is 5678243.

It is a happy number.

3428765 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 can be written as a sum of positive squares in 2 ways, for example, as 2699449 + 729316 = 1643^2 + 854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3428765 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 342872 + ... + 342881.

It is an arithmetic number, because the mean of its divisors is an integer number (1028631).

Almost surely, 2^3428765 is an apocalyptic number.

It is an amenable number.

3428765 is a deficient number, since it is larger than the sum of its proper divisors (685759).

3428765 is an equidigital number, since it uses as much as digits as its factorization.

3428765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685758.

The product of its digits is 40320, while the sum is 35.

The square root of 3428765 is about 1851.6924690672. The cubic root of 3428765 is about 150.7923259468.

The spelling of 3428765 in words is "three million, four hundred twenty-eight thousand, seven hundred sixty-five".