4777992 has 24 divisors (see below), whose sum is σ = 12940590. Its totient is φ = 1592640.

The previous prime is 4777967. The next prime is 4778009. The reversal of 4777992 is 2997774.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4691556 + 86436 = 2166^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×4777992³ (a number of 21 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 33109 + ... + 33252.

Almost surely, 2^4777992 is an apocalyptic number.

It is an amenable number.

4777992 is an abundant number, since it is smaller than the sum of its proper divisors (8162598).

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

4777992 is a wasteful number, since it uses less digits than its factorization.

4777992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66373 (or 66366 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 4777992 is about 2185.8618437587. The cubic root of 4777992 is about 168.4283287838.

The spelling of 4777992 in words is "four million, seven hundred seventy-seven thousand, nine hundred ninety-two".