4213986 has 16 divisors (see below), whose sum is σ = 9632064. Its totient is φ = 1203984.

The previous prime is 4213969. The next prime is 4213999. The reversal of 4213986 is 6893124.

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, 50125 + ... + 50208.

It is an arithmetic number, because the mean of its divisors is an integer number (602004).

Almost surely, 2^4213986 is an apocalyptic number.

4213986 is an abundant number, since it is smaller than the sum of its proper divisors (5418078).

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

4213986 is a wasteful number, since it uses less digits than its factorization.

4213986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100345.

The product of its digits is 10368, while the sum is 33.

The square root of 4213986 is about 2052.7995518316. The cubic root of 4213986 is about 161.5217567586.

It can be divided in two parts, 42 and 13986, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 4213986 in words is "four million, two hundred thirteen thousand, nine hundred eighty-six".