376814991 has 16 divisors (see below), whose sum is σ = 574790400. Its totient is φ = 215099328.

The previous prime is 376814989. The next prime is 376815007. The reversal of 376814991 is 199418673.

It is a happy number.

It is not a de Polignac number, because 376814991 - 2¹ = 376814989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 376814991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376814491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12595 + ... + 30203.

It is an arithmetic number, because the mean of its divisors is an integer number (35924400).

Almost surely, 2^376814991 is an apocalyptic number.

376814991 is a deficient number, since it is larger than the sum of its proper divisors (197975409).

376814991 is a wasteful number, since it uses less digits than its factorization.

376814991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18638.

The product of its digits is 326592, while the sum is 48.

The square root of 376814991 is about 19411.7230301692. The cubic root of 376814991 is about 722.2863221117.

The spelling of 376814991 in words is "three hundred seventy-six million, eight hundred fourteen thousand, nine hundred ninety-one".