49387967 has 2 divisors, whose sum is σ = 49387968. Its totient is φ = 49387966.

The previous prime is 49387963. The next prime is 49387999. The reversal of 49387967 is 76978394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49387967 - 2² = 49387963 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49387963) 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, 24693983 + 24693984.

It is an arithmetic number, because the mean of its divisors is an integer number (24693984).

Almost surely, 2^49387967 is an apocalyptic number.

49387967 is a deficient number, since it is larger than the sum of its proper divisors (1).

49387967 is an equidigital number, since it uses as much as digits as its factorization.

49387967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 49387967 is about 7027.6572910181. The cubic root of 49387967 is about 366.8938086646.

The spelling of 49387967 in words is "forty-nine million, three hundred eighty-seven thousand, nine hundred sixty-seven".