377861 has 4 divisors (see below), whose sum is σ = 412224. Its totient is φ = 343500.

The previous prime is 377851. The next prime is 377873. The reversal of 377861 is 168773.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 377861 - 2¹⁰ = 376837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17165 + ... + 17186.

It is an arithmetic number, because the mean of its divisors is an integer number (103056).

2³⁷⁷⁸⁶¹ is an apocalyptic number.

It is an amenable number.

377861 is a deficient number, since it is larger than the sum of its proper divisors (34363).

377861 is a wasteful number, since it uses less digits than its factorization.

377861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34362.

The product of its digits is 7056, while the sum is 32.

The square root of 377861 is about 614.7039938051. The cubic root of 377861 is about 72.2954041462.

The spelling of 377861 in words is "three hundred seventy-seven thousand, eight hundred sixty-one".