3428605 has 16 divisors (see below), whose sum is σ = 4333824. Its totient is φ = 2600640.

The previous prime is 3428599. The next prime is 3428609. The reversal of 3428605 is 5068243.

It is not a de Polignac number, because 3428605 - 2³ = 3428597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7740 + ... + 8170.

It is an arithmetic number, because the mean of its divisors is an integer number (270864).

Almost surely, 2^3428605 is an apocalyptic number.

It is an amenable number.

3428605 is a deficient number, since it is larger than the sum of its proper divisors (905219).

3428605 is a wasteful number, since it uses less digits than its factorization.

3428605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3428605 is about 1851.6492648447. The cubic root of 3428605 is about 150.7899803844.

The spelling of 3428605 in words is "three million, four hundred twenty-eight thousand, six hundred five".