267790949 has 2 divisors, whose sum is σ = 267790950. Its totient is φ = 267790948.

The previous prime is 267790891. The next prime is 267790969. The reversal of 267790949 is 949097762.

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., 261630625 + 6160324 = 16175^2 + 2482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-267790949 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 267790949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (267790969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133895474 + 133895475.

It is an arithmetic number, because the mean of its divisors is an integer number (133895475).

Almost surely, 2^267790949 is an apocalyptic number.

It is an amenable number.

267790949 is a deficient number, since it is larger than the sum of its proper divisors (1).

267790949 is an equidigital number, since it uses as much as digits as its factorization.

267790949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 267790949 is about 16364.3193870078. The cubic root of 267790949 is about 644.5628903496.

The spelling of 267790949 in words is "two hundred sixty-seven million, seven hundred ninety thousand, nine hundred forty-nine".