4627989 has 16 divisors (see below), whose sum is σ = 6901440. Its totient is φ = 3065040.

The previous prime is 4627943. The next prime is 4628003. The reversal of 4627989 is 9897264.

It is a happy number.

It is not a de Polignac number, because 4627989 - 2¹⁵ = 4595221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4627289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (431340).

Almost surely, 2^4627989 is an apocalyptic number.

It is an amenable number.

4627989 is a deficient number, since it is larger than the sum of its proper divisors (2273451).

4627989 is a wasteful number, since it uses less digits than its factorization.

4627989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1131 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4627989 is about 2151.2761329034. The cubic root of 4627989 is about 166.6469767851.

The spelling of 4627989 in words is "four million, six hundred twenty-seven thousand, nine hundred eighty-nine".