196841587 has 8 divisors (see below), whose sum is σ = 198977472. Its totient is φ = 194711400.

The previous prime is 196841581. The next prime is 196841611. The reversal of 196841587 is 785148691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196841587 - 2⁷ = 196841459 is a prime.

It is a super-2 number, since 2×196841587² = 77493220745357138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196841587.

It is not an unprimeable number, because it can be changed into a prime (196841581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124512 + ... + 126082.

It is an arithmetic number, because the mean of its divisors is an integer number (24872184).

Almost surely, 2^196841587 is an apocalyptic number.

196841587 is a deficient number, since it is larger than the sum of its proper divisors (2135885).

196841587 is a wasteful number, since it uses less digits than its factorization.

196841587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its digits is 483840, while the sum is 49.

The square root of 196841587 is about 14030.0244832288. The cubic root of 196841587 is about 581.7087805495.

The spelling of 196841587 in words is "one hundred ninety-six million, eight hundred forty-one thousand, five hundred eighty-seven".