4807989 has 12 divisors (see below), whose sum is σ = 7247136. Its totient is φ = 3065832.

The previous prime is 4807973. The next prime is 4808003. The reversal of 4807989 is 9897084.

It is not a de Polignac number, because 4807989 - 2⁴ = 4807973 is a prime.

It is a super-3 number, since 3×4807989³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4807909) 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, 11407 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (603928).

Almost surely, 2^4807989 is an apocalyptic number.

It is an amenable number.

4807989 is a deficient number, since it is larger than the sum of its proper divisors (2439147).

4807989 is a wasteful number, since it uses less digits than its factorization.

4807989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23256 (or 23253 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4807989 is about 2192.7127034794. The cubic root of 4807989 is about 168.7800670705.

The spelling of 4807989 in words is "four million, eight hundred seven thousand, nine hundred eighty-nine".