378955 has 8 divisors (see below), whose sum is σ = 478800. Its totient is φ = 287136.

The previous prime is 378953. The next prime is 378967. The reversal of 378955 is 559873.

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 378955 - 2¹ = 378953 is a prime.

378955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (378953) 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, 1900 + ... + 2089.

It is an arithmetic number, because the mean of its divisors is an integer number (59850).

2³⁷⁸⁹⁵⁵ is an apocalyptic number.

378955 is a deficient number, since it is larger than the sum of its proper divisors (99845).

378955 is a wasteful number, since it uses less digits than its factorization.

378955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its digits is 37800, while the sum is 37.

The square root of 378955 is about 615.5932098391. The cubic root of 378955 is about 72.3651078779.

It can be divided in two parts, 3789 and 55, that added together give a square (3844 = 62²).

The spelling of 378955 in words is "three hundred seventy-eight thousand, nine hundred fifty-five".