3420863 has 4 divisors (see below), whose sum is σ = 3424608. Its totient is φ = 3417120.

The previous prime is 3420839. The next prime is 3420871. The reversal of 3420863 is 3680243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3420863 - 2⁶ = 3420799 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 (3420563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (856152).

Almost surely, 2^3420863 is an apocalyptic number.

3420863 is a deficient number, since it is larger than the sum of its proper divisors (3745).

3420863 is a wasteful number, since it uses less digits than its factorization.

3420863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3420863 is about 1849.5575146505. The cubic root of 3420863 is about 150.6763971796.

The spelling of 3420863 in words is "three million, four hundred twenty thousand, eight hundred sixty-three".