4213806 has 16 divisors (see below), whose sum is σ = 8485248. Its totient is φ = 1395000.

The previous prime is 4213793. The next prime is 4213813. The reversal of 4213806 is 6083124.

It is a happy number.

It is a super-2 number, since 2×4213806² = 35512322011272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (530328).

Almost surely, 2^4213806 is an apocalyptic number.

4213806 is an abundant number, since it is smaller than the sum of its proper divisors (4271442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4213806 is a wasteful number, since it uses less digits than its factorization.

4213806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4213806 is about 2052.7557087973. The cubic root of 4213806 is about 161.5194569305.

The spelling of 4213806 in words is "four million, two hundred thirteen thousand, eight hundred six".