853378 has 8 divisors (see below), whose sum is σ = 1309968. Its totient is φ = 416724.

The previous prime is 853357. The next prime is 853387. The reversal of 853378 is 873358.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4876 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (163746).

2⁸⁵³³⁷⁸ is an apocalyptic number.

853378 is a deficient number, since it is larger than the sum of its proper divisors (456590).

853378 is a wasteful number, since it uses less digits than its factorization.

853378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968.

The product of its digits is 20160, while the sum is 34.

The square root of 853378 is about 923.7846069296. The cubic root of 853378 is about 94.8521430343.

It can be divided in two parts, 85337 and 8, that multiplied together give a triangular number (682696 = T₁₁₆₈).

The spelling of 853378 in words is "eight hundred fifty-three thousand, three hundred seventy-eight".