163894 has 12 divisors (see below), whose sum is σ = 260604. Its totient is φ = 77292.

The previous prime is 163883. The next prime is 163901. The reversal of 163894 is 498361.

It is a super-2 number, since 2×163894² = 53722486472, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 609 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (21717).

2¹⁶³⁸⁹⁴ is an apocalyptic number.

163894 is a deficient number, since it is larger than the sum of its proper divisors (96710).

163894 is a wasteful number, since it uses less digits than its factorization.

163894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 248 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 163894 is about 404.8382393006. The cubic root of 163894 is about 54.7252412675.

It can be divided in two parts, 16389 and 4, that multiplied together give a palindrome (65556).

The spelling of 163894 in words is "one hundred sixty-three thousand, eight hundred ninety-four".