196896990 has 32 divisors (see below), whose sum is σ = 476282880. Its totient is φ = 52091424.

The previous prime is 196896977. The next prime is 196897003. The reversal of 196896990 is 99698691.

It is an interprime number because it is at equal distance from previous prime (196896977) and next prime (196897003).

It is a self number, because there is not a number n which added to its sum of digits gives 196896990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22030 + ... + 29649.

It is an arithmetic number, because the mean of its divisors is an integer number (14883840).

Almost surely, 2^196896990 is an apocalyptic number.

196896990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196896990 is an abundant number, since it is smaller than the sum of its proper divisors (279385890).

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

196896990 is a wasteful number, since it uses less digits than its factorization.

196896990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51816.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 196896990 is about 14031.9987884834. The cubic root of 196896990 is about 581.7633513152.

The spelling of 196896990 in words is "one hundred ninety-six million, eight hundred ninety-six thousand, nine hundred ninety".