4680391 has 4 divisors (see below), whose sum is σ = 4746384. Its totient is φ = 4614400.

The previous prime is 4680383. The next prime is 4680407. The reversal of 4680391 is 1930864.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4680391 - 2³ = 4680383 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4680301) 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, 32890 + ... + 33031.

It is an arithmetic number, because the mean of its divisors is an integer number (1186596).

Almost surely, 2^4680391 is an apocalyptic number.

4680391 is a deficient number, since it is larger than the sum of its proper divisors (65993).

4680391 is an equidigital number, since it uses as much as digits as its factorization.

4680391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65992.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4680391 is about 2163.4211332979. The cubic root of 4680391 is about 167.2735902906.

The spelling of 4680391 in words is "four million, six hundred eighty thousand, three hundred ninety-one".