194864 has 20 divisors (see below), whose sum is σ = 398040. Its totient is φ = 92160.

The previous prime is 194863. The next prime is 194867. The reversal of 194864 is 468491.

194864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 194864.

It is not an unprimeable number, because it can be changed into a prime (194861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17 + ... + 624.

It is an arithmetic number, because the mean of its divisors is an integer number (19902).

2¹⁹⁴⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

194864 is an abundant number, since it is smaller than the sum of its proper divisors (203176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194864 is a wasteful number, since it uses less digits than its factorization.

194864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 194864 is about 441.4340267809. The cubic root of 194864 is about 57.9754156610.

It can be divided in two parts, 19 and 4864, that multiplied together give a square (92416 = 304²).

The spelling of 194864 in words is "one hundred ninety-four thousand, eight hundred sixty-four".