376809 has 16 divisors (see below), whose sum is σ = 540672. Its totient is φ = 232848.

The previous prime is 376807. The next prime is 376811. The reversal of 376809 is 908673.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (376807) and next prime (376811).

It is not a de Polignac number, because 376809 - 2¹ = 376807 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 376809.

It is not an unprimeable number, because it can be changed into a prime (376801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904 + ... + 3030.

It is an arithmetic number, because the mean of its divisors is an integer number (33792).

2³⁷⁶⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

376809 is a deficient number, since it is larger than the sum of its proper divisors (163863).

376809 is a wasteful number, since it uses less digits than its factorization.

376809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 376809 is about 613.8477009813. The cubic root of 376809 is about 72.2282494203.

Adding to 376809 its product of nonzero digits (9072), we get a triangular number (385881 = T₈₇₈).

The spelling of 376809 in words is "three hundred seventy-six thousand, eight hundred nine".