4989771 has 6 divisors (see below), whose sum is σ = 7207460. Its totient is φ = 3326508.

The previous prime is 4989767. The next prime is 4989773. The reversal of 4989771 is 1779894.

4989771 is a `hidden beast` number, since 498 + 97 + 71 = 666.

It is not a de Polignac number, because 4989771 - 2² = 4989767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277201 + ... + 277218.

Almost surely, 2^4989771 is an apocalyptic number.

4989771 is a deficient number, since it is larger than the sum of its proper divisors (2217689).

4989771 is a wasteful number, since it uses less digits than its factorization.

4989771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554425 (or 554422 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 4989771 is about 2233.7795325412. The cubic root of 4989771 is about 170.8809060979.

The spelling of 4989771 in words is "four million, nine hundred eighty-nine thousand, seven hundred seventy-one".