5121786 has 16 divisors (see below), whose sum is σ = 10308384. Its totient is φ = 1696464.

The previous prime is 5121763. The next prime is 5121791. The reversal of 5121786 is 6871215.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1641 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (644274).

Almost surely, 2^5121786 is an apocalyptic number.

5121786 is an abundant number, since it is smaller than the sum of its proper divisors (5186598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121786 is a wasteful number, since it uses less digits than its factorization.

5121786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405.

The product of its digits is 3360, while the sum is 30.

The square root of 5121786 is about 2263.1363193586. The cubic root of 5121786 is about 172.3748136038.

The spelling of 5121786 in words is "five million, one hundred twenty-one thousand, seven hundred eighty-six".