4929986 has 8 divisors (see below), whose sum is σ = 7428240. Its totient is φ = 2453908.

The previous prime is 4929943. The next prime is 4929989. The reversal of 4929986 is 6899294.

4929986 = 19² + 20² + ... + 245².

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4929986.

It is not an unprimeable number, because it can be changed into a prime (4929989) 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 3 ways as a sum of consecutive naturals, for example, 4976 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (928530).

Almost surely, 2^4929986 is an apocalyptic number.

4929986 is a deficient number, since it is larger than the sum of its proper divisors (2498254).

4929986 is a wasteful number, since it uses less digits than its factorization.

4929986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088.

The product of its digits is 279936, while the sum is 47.

The square root of 4929986 is about 2220.3571784738. The cubic root of 4929986 is about 170.1956916027.

The spelling of 4929986 in words is "four million, nine hundred twenty-nine thousand, nine hundred eighty-six".