378755 has 8 divisors (see below), whose sum is σ = 489552. Its totient is φ = 279648.

The previous prime is 378739. The next prime is 378757. The reversal of 378755 is 557873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378755 - 2⁴ = 378739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (61194).

2³⁷⁸⁷⁵⁵ is an apocalyptic number.

378755 is a deficient number, since it is larger than the sum of its proper divisors (110797).

378755 is a wasteful number, since it uses less digits than its factorization.

378755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845.

The product of its digits is 29400, while the sum is 35.

The square root of 378755 is about 615.4307434635. The cubic root of 378755 is about 72.3523749954.

It can be divided in two parts, 378 and 755, that multiplied together give a triangular number (285390 = T₇₅₅).

The spelling of 378755 in words is "three hundred seventy-eight thousand, seven hundred fifty-five".