4971992 has 24 divisors (see below), whose sum is σ = 9668100. Its totient is φ = 2397024.

The previous prime is 4971991. The next prime is 4972001. The reversal of 4971992 is 2991794.

It is a happy number.

It is a super-4 number, since 4×4971992⁴ (a number of 28 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6359 + ... + 7097.

Almost surely, 2^4971992 is an apocalyptic number.

It is an amenable number.

4971992 is a deficient number, since it is larger than the sum of its proper divisors (4696108).

4971992 is a wasteful number, since it uses less digits than its factorization.

4971992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 770 counting only the distinct ones).

The product of its digits is 40824, while the sum is 41.

The square root of 4971992 is about 2229.7964032620. The cubic root of 4971992 is about 170.6777099245.

The spelling of 4971992 in words is "four million, nine hundred seventy-one thousand, nine hundred ninety-two".