4213989 has 12 divisors (see below), whose sum is σ = 6555276. Its totient is φ = 2593152.

The previous prime is 4213969. The next prime is 4213999. The reversal of 4213989 is 9893124.

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 2873025 = 1158^2 + 1695^2 .

It is not a de Polignac number, because 4213989 - 2¹³ = 4205797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17892 + ... + 18125.

It is an arithmetic number, because the mean of its divisors is an integer number (546273).

Almost surely, 2^4213989 is an apocalyptic number.

It is an amenable number.

4213989 is a deficient number, since it is larger than the sum of its proper divisors (2341287).

4213989 is a wasteful number, since it uses less digits than its factorization.

4213989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36036 (or 36033 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 4213989 is about 2052.8002825409. The cubic root of 4213989 is about 161.5217950885.

The spelling of 4213989 in words is "four million, two hundred thirteen thousand, nine hundred eighty-nine".