4777986 has 32 divisors (see below), whose sum is σ = 10221120. Its totient is φ = 1483776.

The previous prime is 4777967. The next prime is 4778009. The reversal of 4777986 is 6897774.

It is a d-powerful number, because it can be written as 4¹¹ + 7² + 7⁴ + 7⁵ + 9⁶ + 8⁵ + 6³ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14010 + ... + 14346.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

Almost surely, 2^4777986 is an apocalyptic number.

4777986 is an abundant number, since it is smaller than the sum of its proper divisors (5443134).

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

4777986 is a wasteful number, since it uses less digits than its factorization.

4777986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 592704, while the sum is 48.

The square root of 4777986 is about 2185.8604713019. The cubic root of 4777986 is about 168.4282582820.

The spelling of 4777986 in words is "four million, seven hundred seventy-seven thousand, nine hundred eighty-six".