378983 has 8 divisors (see below), whose sum is σ = 418176. Its totient is φ = 340600.

The previous prime is 378977. The next prime is 378997. The reversal of 378983 is 389873.

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

It is not a de Polignac number, because 378983 - 2⁴ = 378967 is a prime.

It is a super-2 number, since 2×378983² = 287256228578, which contains 22 as substring.

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, 1310 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (52272).

2³⁷⁸⁹⁸³ is an apocalyptic number.

378983 is a deficient number, since it is larger than the sum of its proper divisors (39193).

378983 is a wasteful number, since it uses less digits than its factorization.

378983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its digits is 36288, while the sum is 38.

The square root of 378983 is about 615.6159517102. The cubic root of 378983 is about 72.3668901239.

The spelling of 378983 in words is "three hundred seventy-eight thousand, nine hundred eighty-three".