4697881 has 2 divisors, whose sum is σ = 4697882. Its totient is φ = 4697880.

The previous prime is 4697873. The next prime is 4697897. The reversal of 4697881 is 1887964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 250000 = 2109^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4697881 - 2³ = 4697873 is a prime.

It is a super-2 number, since 2×4697881² = 44140171780322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4697801) 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 as a sum of consecutive naturals, namely, 2348940 + 2348941.

It is an arithmetic number, because the mean of its divisors is an integer number (2348941).

Almost surely, 2^4697881 is an apocalyptic number.

It is an amenable number.

4697881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4697881 is an equidigital number, since it uses as much as digits as its factorization.

4697881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 4697881 is about 2167.4595728640. The cubic root of 4697881 is about 167.4816910262.

The spelling of 4697881 in words is "four million, six hundred ninety-seven thousand, eight hundred eighty-one".