4997986 has 8 divisors (see below), whose sum is σ = 8568000. Its totient is φ = 2141988.

The previous prime is 4997981. The next prime is 4997989. The reversal of 4997986 is 6897994.

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

It is not an unprimeable number, because it can be changed into a prime (4997981) 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, 178486 + ... + 178513.

It is an arithmetic number, because the mean of its divisors is an integer number (1071000).

Almost surely, 2^4997986 is an apocalyptic number.

4997986 is a deficient number, since it is larger than the sum of its proper divisors (3570014).

4997986 is a wasteful number, since it uses less digits than its factorization.

4997986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357008.

The product of its digits is 979776, while the sum is 52.

The square root of 4997986 is about 2235.6175880503. The cubic root of 4997986 is about 170.9746323073.

The spelling of 4997986 in words is "four million, nine hundred ninety-seven thousand, nine hundred eighty-six".