196089587 has 2 divisors, whose sum is σ = 196089588. Its totient is φ = 196089586.

The previous prime is 196089547. The next prime is 196089631. The reversal of 196089587 is 785980691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196089587 is a prime.

It is a super-2 number, since 2×196089587² = 76902252259661138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196089547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98044793 + 98044794.

It is an arithmetic number, because the mean of its divisors is an integer number (98044794).

Almost surely, 2^196089587 is an apocalyptic number.

196089587 is a deficient number, since it is larger than the sum of its proper divisors (1).

196089587 is an equidigital number, since it uses as much as digits as its factorization.

196089587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 196089587 is about 14003.1991701896. The cubic root of 196089587 is about 580.9670618634.

The spelling of 196089587 in words is "one hundred ninety-six million, eighty-nine thousand, five hundred eighty-seven".