4819971 has 16 divisors (see below), whose sum is σ = 7019936. Its totient is φ = 2923776.

The previous prime is 4819967. The next prime is 4819981. The reversal of 4819971 is 1799184.

It is a happy number.

It is not a de Polignac number, because 4819971 - 2² = 4819967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4819961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (438746).

Almost surely, 2^4819971 is an apocalyptic number.

4819971 is a deficient number, since it is larger than the sum of its proper divisors (2199965).

4819971 is a wasteful number, since it uses less digits than its factorization.

4819971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its digits is 18144, while the sum is 39.

The square root of 4819971 is about 2195.4432354311. The cubic root of 4819971 is about 168.9201564883.

The spelling of 4819971 in words is "four million, eight hundred nineteen thousand, nine hundred seventy-one".