4986989 has 4 divisors (see below), whose sum is σ = 5699424. Its totient is φ = 4274556.

The previous prime is 4986983. The next prime is 4986997. The reversal of 4986989 is 9896894.

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 a cyclic number.

It is not a de Polignac number, because 4986989 - 2¹⁶ = 4921453 is a prime.

It is a super-2 number, since 2×4986989² = 49740118572242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4986989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4986983) 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, 356207 + ... + 356220.

It is an arithmetic number, because the mean of its divisors is an integer number (1424856).

Almost surely, 2^4986989 is an apocalyptic number.

It is an amenable number.

4986989 is a deficient number, since it is larger than the sum of its proper divisors (712435).

4986989 is an equidigital number, since it uses as much as digits as its factorization.

4986989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712434.

The product of its digits is 1119744, while the sum is 53.

The square root of 4986989 is about 2233.1567343113. The cubic root of 4986989 is about 170.8491425121.

The spelling of 4986989 in words is "four million, nine hundred eighty-six thousand, nine hundred eighty-nine".