196894577 has 16 divisors (see below), whose sum is σ = 218867712. Its totient is φ = 175633920.

The previous prime is 196894571. The next prime is 196894591. The reversal of 196894577 is 775498691.

It is not a de Polignac number, because 196894577 - 2¹⁶ = 196829041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196894571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134783 + ... + 136235.

It is an arithmetic number, because the mean of its divisors is an integer number (13679232).

Almost surely, 2^196894577 is an apocalyptic number.

It is an amenable number.

196894577 is a deficient number, since it is larger than the sum of its proper divisors (21973135).

196894577 is a wasteful number, since it uses less digits than its factorization.

196894577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its digits is 3810240, while the sum is 56.

The square root of 196894577 is about 14031.9128061715. The cubic root of 196894577 is about 581.7609747753.

The spelling of 196894577 in words is "one hundred ninety-six million, eight hundred ninety-four thousand, five hundred seventy-seven".