4977844 has 24 divisors (see below), whose sum is σ = 9249408. Its totient is φ = 2339040.

The previous prime is 4977823. The next prime is 4977853. The reversal of 4977844 is 4487794.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4977844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5169 + ... + 6055.

It is an arithmetic number, because the mean of its divisors is an integer number (385392).

Almost surely, 2^4977844 is an apocalyptic number.

It is an amenable number.

4977844 is a deficient number, since it is larger than the sum of its proper divisors (4271564).

4977844 is a wasteful number, since it uses less digits than its factorization.

4977844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 4977844 is about 2231.1082447967. The cubic root of 4977844 is about 170.7446458295.

The spelling of 4977844 in words is "four million, nine hundred seventy-seven thousand, eight hundred forty-four".