378535 has 4 divisors (see below), whose sum is σ = 454248. Its totient is φ = 302824.

The previous prime is 378533. The next prime is 378551. The reversal of 378535 is 535873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535873 = 13 ⋅41221.

It is a cyclic number.

It is not a de Polignac number, because 378535 - 2¹ = 378533 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378497 and 378506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37849 + ... + 37858.

It is an arithmetic number, because the mean of its divisors is an integer number (113562).

2³⁷⁸⁵³⁵ is an apocalyptic number.

378535 is a deficient number, since it is larger than the sum of its proper divisors (75713).

378535 is an equidigital number, since it uses as much as digits as its factorization.

378535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75712.

The product of its digits is 12600, while the sum is 31.

The square root of 378535 is about 615.2519808989. The cubic root of 378535 is about 72.3383636465.

The spelling of 378535 in words is "three hundred seventy-eight thousand, five hundred thirty-five".