4977644 has 24 divisors (see below), whose sum is σ = 10002720. Its totient is φ = 2123136.

The previous prime is 4977611. The next prime is 4977649. The reversal of 4977644 is 4467794.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4977649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10664 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (416780).

Almost surely, 2^4977644 is an apocalyptic number.

It is an amenable number.

4977644 is an abundant number, since it is smaller than the sum of its proper divisors (5025076).

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

4977644 is a wasteful number, since it uses less digits than its factorization.

4977644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 4977644 is about 2231.0634235718. The cubic root of 4977644 is about 170.7423590706.

The spelling of 4977644 in words is "four million, nine hundred seventy-seven thousand, six hundred forty-four".