387494267 has 2 divisors, whose sum is σ = 387494268. Its totient is φ = 387494266.

The previous prime is 387494257. The next prime is 387494269. The reversal of 387494267 is 762494783.

It is a strong prime.

It is an emirp because it is prime and its reverse (762494783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387494267 - 2¹² = 387490171 is a prime.

Together with 387494269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (387494269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193747133 + 193747134.

It is an arithmetic number, because the mean of its divisors is an integer number (193747134).

Almost surely, 2^387494267 is an apocalyptic number.

387494267 is a deficient number, since it is larger than the sum of its proper divisors (1).

387494267 is an equidigital number, since it uses as much as digits as its factorization.

387494267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The square root of 387494267 is about 19684.8740661453. The cubic root of 387494267 is about 729.0462725039.

The spelling of 387494267 in words is "three hundred eighty-seven million, four hundred ninety-four thousand, two hundred sixty-seven".