5197989 has 8 divisors (see below), whose sum is σ = 7169760. Its totient is φ = 3345776.

The previous prime is 5197967. The next prime is 5198003. The reversal of 5197989 is 9897915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5197989 - 2⁵ = 5197957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197909) 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 7 ways as a sum of consecutive naturals, for example, 29787 + ... + 29960.

It is an arithmetic number, because the mean of its divisors is an integer number (896220).

Almost surely, 2^5197989 is an apocalyptic number.

It is an amenable number.

5197989 is a deficient number, since it is larger than the sum of its proper divisors (1971771).

5197989 is a wasteful number, since it uses less digits than its factorization.

5197989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59779.

The product of its digits is 204120, while the sum is 48.

The square root of 5197989 is about 2279.9098666395. The cubic root of 5197989 is about 173.2254847675.

The spelling of 5197989 in words is "five million, one hundred ninety-seven thousand, nine hundred eighty-nine".