4126986 has 24 divisors (see below), whose sum is σ = 9025380. Its totient is φ = 1362816.

The previous prime is 4126979. The next prime is 4126987. The reversal of 4126986 is 6896214.

It can be written as a sum of positive squares in 2 ways, for example, as 4124961 + 2025 = 2031^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4126986.

It is not an unprimeable number, because it can be changed into a prime (4126987) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1020 + ... + 3048.

Almost surely, 2^4126986 is an apocalyptic number.

4126986 is an abundant number, since it is smaller than the sum of its proper divisors (4898394).

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

4126986 is a wasteful number, since it uses less digits than its factorization.

4126986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2147 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4126986 is about 2031.4984617272. The cubic root of 4126986 is about 160.4024504034.

The spelling of 4126986 in words is "four million, one hundred twenty-six thousand, nine hundred eighty-six".