5051986 has 8 divisors (see below), whose sum is σ = 7976880. Its totient is φ = 2393028.

The previous prime is 5051957. The next prime is 5051987. The reversal of 5051986 is 6891505.

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 (5051987) 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, 66436 + ... + 66511.

It is an arithmetic number, because the mean of its divisors is an integer number (997110).

Almost surely, 2^5051986 is an apocalyptic number.

5051986 is a deficient number, since it is larger than the sum of its proper divisors (2924894).

5051986 is a wasteful number, since it uses less digits than its factorization.

5051986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132968.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5051986 is about 2247.6623411892. The cubic root of 5051986 is about 171.5881846089.

It can be divided in two parts, 50519 and 86, that added together give a palindrome (50605).

The spelling of 5051986 in words is "five million, fifty-one thousand, nine hundred eighty-six".