5209868 has 12 divisors (see below), whose sum is σ = 9513840. Its totient is φ = 2491632.

The previous prime is 5209861. The next prime is 5209889. The reversal of 5209868 is 8689025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28223 + ... + 28406.

It is an arithmetic number, because the mean of its divisors is an integer number (792820).

Almost surely, 2^5209868 is an apocalyptic number.

It is an amenable number.

5209868 is a deficient number, since it is larger than the sum of its proper divisors (4303972).

5209868 is a wasteful number, since it uses less digits than its factorization.

5209868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56656 (or 56654 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 5209868 is about 2282.5135267945. The cubic root of 5209868 is about 173.3573421707.

The spelling of 5209868 in words is "five million, two hundred nine thousand, eight hundred sixty-eight".