378659285 has 8 divisors (see below), whose sum is σ = 456930720. Its totient is φ = 301234384.

The previous prime is 378659273. The next prime is 378659287. The reversal of 378659285 is 582956873.

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 378659285 - 2¹⁶ = 378593749 is a prime.

It is a super-2 number, since 2×378659285² = 286765708233422450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378659287) 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, 210647 + ... + 212436.

It is an arithmetic number, because the mean of its divisors is an integer number (57116340).

Almost surely, 2^378659285 is an apocalyptic number.

It is an amenable number.

378659285 is a deficient number, since it is larger than the sum of its proper divisors (78271435).

378659285 is a wasteful number, since it uses less digits than its factorization.

378659285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423267.

The product of its digits is 3628800, while the sum is 53.

The square root of 378659285 is about 19459.1696893778. The cubic root of 378659285 is about 723.4627977025.

The spelling of 378659285 in words is "three hundred seventy-eight million, six hundred fifty-nine thousand, two hundred eighty-five".