377381 has 4 divisors (see below), whose sum is σ = 379200. Its totient is φ = 375564.

The previous prime is 377371. The next prime is 377387. The reversal of 377381 is 183773.

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, and also an emirpimes, since its reverse is a distinct semiprime: 183773 = 29 ⋅6337.

It is a cyclic number.

It is not a de Polignac number, because 377381 - 2¹⁸ = 115237 is a prime.

It is a super-2 number, since 2×377381² = 284832838322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (94800).

2³⁷⁷³⁸¹ is an apocalyptic number.

It is an amenable number.

377381 is a deficient number, since it is larger than the sum of its proper divisors (1819).

377381 is a wasteful number, since it uses less digits than its factorization.

377381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818.

The product of its digits is 3528, while the sum is 29.

The square root of 377381 is about 614.3134379126. The cubic root of 377381 is about 72.2647786884.

The spelling of 377381 in words is "three hundred seventy-seven thousand, three hundred eighty-one".