4687961 has 2 divisors, whose sum is σ = 4687962. Its totient is φ = 4687960.

The previous prime is 4687933. The next prime is 4687967. The reversal of 4687961 is 1697864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3444736 + 1243225 = 1856^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 4687961 - 2¹⁰ = 4686937 is a prime.

It is not a weakly prime, because it can be changed into another prime (4687967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343980 + 2343981.

It is an arithmetic number, because the mean of its divisors is an integer number (2343981).

Almost surely, 2^4687961 is an apocalyptic number.

It is an amenable number.

4687961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4687961 is an equidigital number, since it uses as much as digits as its factorization.

4687961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The square root of 4687961 is about 2165.1699702333. The cubic root of 4687961 is about 167.3637237156.

The spelling of 4687961 in words is "four million, six hundred eighty-seven thousand, nine hundred sixty-one".