194067864 has 48 divisors (see below), whose sum is σ = 530824320. Its totient is φ = 64046400.

The previous prime is 194067847. The next prime is 194067871. The reversal of 194067864 is 468760491.

194067864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6072 + ... + 20615.

It is an arithmetic number, because the mean of its divisors is an integer number (11058840).

Almost surely, 2^194067864 is an apocalyptic number.

It is an amenable number.

194067864 is an abundant number, since it is smaller than the sum of its proper divisors (336756456).

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

194067864 is a wasteful number, since it uses less digits than its factorization.

194067864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26800 (or 26793 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 194067864 is about 13930.8242397928. The cubic root of 194067864 is about 578.9635313997.

The spelling of 194067864 in words is "one hundred ninety-four million, sixty-seven thousand, eight hundred sixty-four".