4212989 has 4 divisors (see below), whose sum is σ = 4596000. Its totient is φ = 3829980.

The previous prime is 4212983. The next prime is 4213019. The reversal of 4212989 is 9892124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4212989 - 2⁴ = 4212973 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 (4212983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191489 + ... + 191510.

It is an arithmetic number, because the mean of its divisors is an integer number (1149000).

Almost surely, 2^4212989 is an apocalyptic number.

It is an amenable number.

4212989 is a deficient number, since it is larger than the sum of its proper divisors (383011).

4212989 is a wasteful number, since it uses less digits than its factorization.

4212989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383010.

The product of its digits is 10368, while the sum is 35.

The square root of 4212989 is about 2052.5566983643. The cubic root of 4212989 is about 161.5090174429.

It can be divided in two parts, 42 and 12989, that added together give a palindrome (13031).

The spelling of 4212989 in words is "four million, two hundred twelve thousand, nine hundred eighty-nine".