4771992 has 16 divisors (see below), whose sum is σ = 11930040. Its totient is φ = 1590656.

The previous prime is 4771973. The next prime is 4771993. The reversal of 4771992 is 2991774.

It is a self number, because there is not a number n which added to its sum of digits gives 4771992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4771993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99393 + ... + 99440.

Almost surely, 2^4771992 is an apocalyptic number.

It is an amenable number.

4771992 is an abundant number, since it is smaller than the sum of its proper divisors (7158048).

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

4771992 is a wasteful number, since it uses less digits than its factorization.

4771992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198842 (or 198838 counting only the distinct ones).

The product of its digits is 31752, while the sum is 39.

The square root of 4771992 is about 2184.4889562550. The cubic root of 4771992 is about 168.3577975314.

The spelling of 4771992 in words is "four million, seven hundred seventy-one thousand, nine hundred ninety-two".