376916993 has 2 divisors, whose sum is σ = 376916994. Its totient is φ = 376916992.

The previous prime is 376916983. The next prime is 376917001. The reversal of 376916993 is 399619673.

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., 305970064 + 70946929 = 17492^2 + 8423^2 .

It is a cyclic number.

It is not a de Polignac number, because 376916993 - 2¹⁰ = 376915969 is a prime.

It is a super-2 number, since 2×376916993² = 284132839224324098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (376916933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188458496 + 188458497.

It is an arithmetic number, because the mean of its divisors is an integer number (188458497).

Almost surely, 2^376916993 is an apocalyptic number.

It is an amenable number.

376916993 is a deficient number, since it is larger than the sum of its proper divisors (1).

376916993 is an equidigital number, since it uses as much as digits as its factorization.

376916993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 53.

The square root of 376916993 is about 19414.3501822750. The cubic root of 376916993 is about 722.3514893728.

The spelling of 376916993 in words is "three hundred seventy-six million, nine hundred sixteen thousand, nine hundred ninety-three".