2791967 has 2 divisors, whose sum is σ = 2791968. Its totient is φ = 2791966.

The previous prime is 2791963. The next prime is 2791969. The reversal of 2791967 is 7691972.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2791967 - 2² = 2791963 is a prime.

Together with 2791969, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2791963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395983 + 1395984.

It is an arithmetic number, because the mean of its divisors is an integer number (1395984).

2^2791967 is an apocalyptic number.

2791967 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791967 is an equidigital number, since it uses as much as digits as its factorization.

2791967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 2791967 is about 1670.9180111543. The cubic root of 2791967 is about 140.8110575585.

The spelling of 2791967 in words is "two million, seven hundred ninety-one thousand, nine hundred sixty-seven".