4977391 has 8 divisors (see below), whose sum is σ = 5164544. Its totient is φ = 4791960.

The previous prime is 4977367. The next prime is 4977403. The reversal of 4977391 is 1937794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4977391 - 2⁷ = 4977263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4977331) 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, 9256 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (645568).

Almost surely, 2^4977391 is an apocalyptic number.

4977391 is a deficient number, since it is larger than the sum of its proper divisors (187153).

4977391 is a wasteful number, since it uses less digits than its factorization.

4977391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its digits is 47628, while the sum is 40.

The square root of 4977391 is about 2231.0067234323. The cubic root of 4977391 is about 170.7394662329.

The spelling of 4977391 in words is "four million, nine hundred seventy-seven thousand, three hundred ninety-one".