4263986 has 8 divisors (see below), whose sum is σ = 6616620. Its totient is φ = 2058448.

The previous prime is 4263979. The next prime is 4264021. The reversal of 4263986 is 6893624.

It can be written as a sum of positive squares in 2 ways, for example, as 3940225 + 323761 = 1985^2 + 569^2 .

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

It is a d-powerful number, because it can be written as 4¹¹ + 2¹¹ + 6³ + 3¹⁰ + 9² + 8³ + 6⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36701 + ... + 36816.

Almost surely, 2^4263986 is an apocalyptic number.

4263986 is a deficient number, since it is larger than the sum of its proper divisors (2352634).

4263986 is a wasteful number, since it uses less digits than its factorization.

4263986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73548.

The product of its digits is 62208, while the sum is 38.

The square root of 4263986 is about 2064.9421299397. The cubic root of 4263986 is about 162.1580786905.

The spelling of 4263986 in words is "four million, two hundred sixty-three thousand, nine hundred eighty-six".