4613891 has 2 divisors, whose sum is σ = 4613892. Its totient is φ = 4613890.

The previous prime is 4613881. The next prime is 4613893. The reversal of 4613891 is 1983164.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4613891 - 2¹⁸ = 4351747 is a prime.

Together with 4613893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4613893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306945 + 2306946.

It is an arithmetic number, because the mean of its divisors is an integer number (2306946).

Almost surely, 2^4613891 is an apocalyptic number.

4613891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4613891 is an equidigital number, since it uses as much as digits as its factorization.

4613891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 4613891 is about 2147.9969739271. The cubic root of 4613891 is about 166.4775886893.

The spelling of 4613891 in words is "four million, six hundred thirteen thousand, eight hundred ninety-one".