2864761 has 2 divisors, whose sum is σ = 2864762. Its totient is φ = 2864760.

The previous prime is 2864749. The next prime is 2864831. The reversal of 2864761 is 1674682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 1254400 = 1269^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864761 - 2⁷ = 2864633 is a prime.

2864761 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2864261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432380 + 1432381.

It is an arithmetic number, because the mean of its divisors is an integer number (1432381).

2^2864761 is an apocalyptic number.

It is an amenable number.

2864761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864761 is an equidigital number, since it uses as much as digits as its factorization.

2864761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 2864761 is about 1692.5604863638. The cubic root of 2864761 is about 142.0243461529.

The spelling of 2864761 in words is "two million, eight hundred sixty-four thousand, seven hundred sixty-one".