4989117 has 16 divisors (see below), whose sum is σ = 7809152. Its totient is φ = 2773440.

The previous prime is 4989113. The next prime is 4989119. The reversal of 4989117 is 7119894.

It is a happy number.

It is not a de Polignac number, because 4989117 - 2² = 4989113 is a prime.

It is a Duffinian number.

4989117 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (488072).

Almost surely, 2^4989117 is an apocalyptic number.

It is an amenable number.

4989117 is a deficient number, since it is larger than the sum of its proper divisors (2820035).

4989117 is a wasteful number, since it uses less digits than its factorization.

4989117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468.

The product of its digits is 18144, while the sum is 39.

The square root of 4989117 is about 2233.6331390808. The cubic root of 4989117 is about 170.8734400909.

It can be divided in two parts, 4 and 989117, that added together give a triangular number (989121 = T₁₄₀₆).

The spelling of 4989117 in words is "four million, nine hundred eighty-nine thousand, one hundred seventeen".