2293961 has 2 divisors, whose sum is σ = 2293962. Its totient is φ = 2293960.

The previous prime is 2293957. The next prime is 2293981. The reversal of 2293961 is 1693922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 118336 = 1475^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2293961 - 2² = 2293957 is a prime.

It is not a weakly prime, because it can be changed into another prime (2293901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1146980 + 1146981.

It is an arithmetic number, because the mean of its divisors is an integer number (1146981).

2^2293961 is an apocalyptic number.

It is an amenable number.

2293961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2293961 is an equidigital number, since it uses as much as digits as its factorization.

2293961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 2293961 is about 1514.5827808344. The cubic root of 2293961 is about 131.8849816872.

The spelling of 2293961 in words is "two million, two hundred ninety-three thousand, nine hundred sixty-one".