4772861 has 2 divisors, whose sum is σ = 4772862. Its totient is φ = 4772860.

The previous prime is 4772839. The next prime is 4772863. The reversal of 4772861 is 1682774.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 1464100 = 1819^2 + 1210^2 .

It is a cyclic number.

It is not a de Polignac number, because 4772861 - 2⁶ = 4772797 is a prime.

Together with 4772863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4772863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2386430 + 2386431.

It is an arithmetic number, because the mean of its divisors is an integer number (2386431).

Almost surely, 2^4772861 is an apocalyptic number.

It is an amenable number.

4772861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4772861 is an equidigital number, since it uses as much as digits as its factorization.

4772861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

The square root of 4772861 is about 2184.6878495565. The cubic root of 4772861 is about 168.3680164677.

The spelling of 4772861 in words is "four million, seven hundred seventy-two thousand, eight hundred sixty-one".