2827961 has 2 divisors, whose sum is σ = 2827962. Its totient is φ = 2827960.

The previous prime is 2827939. The next prime is 2827969. The reversal of 2827961 is 1697282.

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., 2755600 + 72361 = 1660^2 + 269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2827961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2827969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413980 + 1413981.

It is an arithmetic number, because the mean of its divisors is an integer number (1413981).

2^2827961 is an apocalyptic number.

It is an amenable number.

2827961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2827961 is an equidigital number, since it uses as much as digits as its factorization.

2827961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 35.

The square root of 2827961 is about 1681.6542450813. The cubic root of 2827961 is about 141.4135870647.

The spelling of 2827961 in words is "two million, eight hundred twenty-seven thousand, nine hundred sixty-one".