378913 has 8 divisors (see below), whose sum is σ = 414720. Its totient is φ = 344640.

The previous prime is 378901. The next prime is 378919. The reversal of 378913 is 319873.

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 378913 - 2⁹ = 378401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168 + ... + 886.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2³⁷⁸⁹¹³ is an apocalyptic number.

It is an amenable number.

378913 is a deficient number, since it is larger than the sum of its proper divisors (35807).

378913 is a wasteful number, since it uses less digits than its factorization.

378913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its digits is 4536, while the sum is 31.

The square root of 378913 is about 615.5590954571. The cubic root of 378913 is about 72.3624343443.

The spelling of 378913 in words is "three hundred seventy-eight thousand, nine hundred thirteen".