4297861 has 2 divisors, whose sum is σ = 4297862. Its totient is φ = 4297860.

The previous prime is 4297847. The next prime is 4297897. The reversal of 4297861 is 1687924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 1640961 = 1630^2 + 1281^2 .

It is a cyclic number.

It is not a de Polignac number, because 4297861 - 2¹⁹ = 3773573 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4297861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4297841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2148930 + 2148931.

It is an arithmetic number, because the mean of its divisors is an integer number (2148931).

Almost surely, 2^4297861 is an apocalyptic number.

It is an amenable number.

4297861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4297861 is an equidigital number, since it uses as much as digits as its factorization.

4297861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 4297861 is about 2073.1283124785. The cubic root of 4297861 is about 162.5863651361.

It can be divided in two parts, 42 and 97861, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 4297861 in words is "four million, two hundred ninety-seven thousand, eight hundred sixty-one".