4987917 has 12 divisors (see below), whose sum is σ = 7859904. Its totient is φ = 3022920.

The previous prime is 4987907. The next prime is 4987921. The reversal of 4987917 is 7197894.

It is not a de Polignac number, because 4987917 - 2⁴ = 4987901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987907) 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, 25093 + ... + 25290.

It is an arithmetic number, because the mean of its divisors is an integer number (654992).

Almost surely, 2^4987917 is an apocalyptic number.

It is an amenable number.

4987917 is a deficient number, since it is larger than the sum of its proper divisors (2871987).

4987917 is a wasteful number, since it uses less digits than its factorization.

4987917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50400 (or 50397 counting only the distinct ones).

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

The square root of 4987917 is about 2233.3645022701. The cubic root of 4987917 is about 170.8597392984.

The spelling of 4987917 in words is "four million, nine hundred eighty-seven thousand, nine hundred seventeen".