4977961 has 4 divisors (see below), whose sum is σ = 5024592. Its totient is φ = 4931332.

The previous prime is 4977953. The next prime is 4977971. The reversal of 4977961 is 1697794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4977961 - 2³ = 4977953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4977901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23155 + ... + 23368.

It is an arithmetic number, because the mean of its divisors is an integer number (1256148).

Almost surely, 2^4977961 is an apocalyptic number.

It is an amenable number.

4977961 is a deficient number, since it is larger than the sum of its proper divisors (46631).

4977961 is a wasteful number, since it uses less digits than its factorization.

4977961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46630.

The product of its digits is 95256, while the sum is 43.

The square root of 4977961 is about 2231.1344647959. The cubic root of 4977961 is about 170.7459835550.

The spelling of 4977961 in words is "four million, nine hundred seventy-seven thousand, nine hundred sixty-one".