4812989 has 4 divisors (see below), whose sum is σ = 5096124. Its totient is φ = 4529856.

The previous prime is 4812943. The next prime is 4812991. The reversal of 4812989 is 9892184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4368100 + 444889 = 2090^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 4812989 - 2⁸ = 4812733 is a prime.

It is a super-2 number, since 2×4812989² = 46329726228242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4812089) 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, 141542 + ... + 141575.

It is an arithmetic number, because the mean of its divisors is an integer number (1274031).

Almost surely, 2^4812989 is an apocalyptic number.

It is an amenable number.

4812989 is a deficient number, since it is larger than the sum of its proper divisors (283135).

4812989 is a wasteful number, since it uses less digits than its factorization.

4812989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283134.

The product of its digits is 41472, while the sum is 41.

The square root of 4812989 is about 2193.8525474607. The cubic root of 4812989 is about 168.8385536137.

The spelling of 4812989 in words is "four million, eight hundred twelve thousand, nine hundred eighty-nine".