2873641 has 2 divisors, whose sum is σ = 2873642. Its totient is φ = 2873640.

The previous prime is 2873623. The next prime is 2873657. The reversal of 2873641 is 1463782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 184041 = 1640^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 2873641 - 2⁷ = 2873513 is a prime.

2873641 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2873621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436820 + 1436821.

It is an arithmetic number, because the mean of its divisors is an integer number (1436821).

2^2873641 is an apocalyptic number.

It is an amenable number.

2873641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2873641 is an equidigital number, since it uses as much as digits as its factorization.

2873641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 2873641 is about 1695.1817011754. The cubic root of 2873641 is about 142.1709407355.

The spelling of 2873641 in words is "two million, eight hundred seventy-three thousand, six hundred forty-one".