378957 has 8 divisors (see below), whose sum is σ = 514080. Its totient is φ = 248240.

The previous prime is 378953. The next prime is 378967. The reversal of 378957 is 759873.

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 378957 - 2² = 378953 is a prime.

378957 is a lucky number.

It is a congruent 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, 894 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2³⁷⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

378957 is a deficient number, since it is larger than the sum of its proper divisors (135123).

378957 is a wasteful number, since it uses less digits than its factorization.

378957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its digits is 52920, while the sum is 39.

The square root of 378957 is about 615.5948342863. The cubic root of 378957 is about 72.3652351841.

The spelling of 378957 in words is "three hundred seventy-eight thousand, nine hundred fifty-seven".