378874 has 4 divisors (see below), whose sum is σ = 568314. Its totient is φ = 189436.

The previous prime is 378869. The next prime is 378883. The reversal of 378874 is 478873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 27225 = 593^2 + 165^2 .

It is an Ulam number.

It is an unprimeable number.

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, 94717 + ... + 94720.

2³⁷⁸⁸⁷⁴ is an apocalyptic number.

378874 is a deficient number, since it is larger than the sum of its proper divisors (189440).

378874 is a wasteful number, since it uses less digits than its factorization.

378874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189439.

The product of its digits is 37632, while the sum is 37.

The square root of 378874 is about 615.5274161238. The cubic root of 378874 is about 72.3599516004.

Subtracting 378874 from its reverse (478873), we obtain a palindrome (99999).

It can be divided in two parts, 37 and 8874, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 378874 in words is "three hundred seventy-eight thousand, eight hundred seventy-four".