196591894 has 32 divisors (see below), whose sum is σ = 312238080. Its totient is φ = 92707200.

The previous prime is 196591861. The next prime is 196591903. The reversal of 196591894 is 498195691.

It is a happy number.

196591894 is digitally balanced in base 3, 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 15 ways as a sum of consecutive naturals, for example, 815614 + ... + 815854.

It is an arithmetic number, because the mean of its divisors is an integer number (9757440).

Almost surely, 2^196591894 is an apocalyptic number.

196591894 is a deficient number, since it is larger than the sum of its proper divisors (115646186).

196591894 is a wasteful number, since it uses less digits than its factorization.

196591894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 699840, while the sum is 52.

The square root of 196591894 is about 14021.1231361828. The cubic root of 196591894 is about 581.4627111562.

The spelling of 196591894 in words is "one hundred ninety-six million, five hundred ninety-one thousand, eight hundred ninety-four".