4677391 has 2 divisors, whose sum is σ = 4677392. Its totient is φ = 4677390.

The previous prime is 4677389. The next prime is 4677427. The reversal of 4677391 is 1937764.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4677391 - 2¹ = 4677389 is a prime.

Together with 4677389, it forms a pair of twin primes.

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 4677391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4677301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2338695 + 2338696.

It is an arithmetic number, because the mean of its divisors is an integer number (2338696).

Almost surely, 2^4677391 is an apocalyptic number.

4677391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4677391 is an equidigital number, since it uses as much as digits as its factorization.

4677391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 4677391 is about 2162.7276758760. The cubic root of 4677391 is about 167.2378434177.

It can be divided in two parts, 46773 and 91, that added together give a palindrome (46864).

The spelling of 4677391 in words is "four million, six hundred seventy-seven thousand, three hundred ninety-one".