376271993 has 2 divisors, whose sum is σ = 376271994. Its totient is φ = 376271992.

The previous prime is 376271957. The next prime is 376272073. The reversal of 376271993 is 399172673.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336795904 + 39476089 = 18352^2 + 6283^2 .

It is a cyclic number.

It is not a de Polignac number, because 376271993 - 2⁸ = 376271737 is a prime.

It is a super-2 number, since 2×376271993² = 283161225432384098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (376271923) 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, 188135996 + 188135997.

It is an arithmetic number, because the mean of its divisors is an integer number (188135997).

Almost surely, 2^376271993 is an apocalyptic number.

It is an amenable number.

376271993 is a deficient number, since it is larger than the sum of its proper divisors (1).

376271993 is an equidigital number, since it uses as much as digits as its factorization.

376271993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 47.

The square root of 376271993 is about 19397.7316457363. The cubic root of 376271993 is about 721.9392122762.

The spelling of 376271993 in words is "three hundred seventy-six million, two hundred seventy-one thousand, nine hundred ninety-three".