4971816 has 48 divisors (see below), whose sum is σ = 13572000. Its totient is φ = 1644192.

The previous prime is 4971797. The next prime is 4971823. The reversal of 4971816 is 6181794.

4971816 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14155 + ... + 14501.

It is an arithmetic number, because the mean of its divisors is an integer number (282750).

Almost surely, 2^4971816 is an apocalyptic number.

It is an amenable number.

4971816 is an abundant number, since it is smaller than the sum of its proper divisors (8600184).

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

4971816 is a wasteful number, since it uses less digits than its factorization.

4971816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 551 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 4971816 is about 2229.7569374261. The cubic root of 4971816 is about 170.6756960012.

The spelling of 4971816 in words is "four million, nine hundred seventy-one thousand, eight hundred sixteen".