196889730 has 16 divisors (see below), whose sum is σ = 472535424. Its totient is φ = 52503920.

The previous prime is 196889713. The next prime is 196889783. The reversal of 196889730 is 37988691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3281466 + ... + 3281525.

It is an arithmetic number, because the mean of its divisors is an integer number (29533464).

Almost surely, 2^196889730 is an apocalyptic number.

196889730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196889730 is an abundant number, since it is smaller than the sum of its proper divisors (275645694).

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

196889730 is a wasteful number, since it uses less digits than its factorization.

196889730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563001.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 196889730 is about 14031.7400916636. The cubic root of 196889730 is about 581.7562009540.

The spelling of 196889730 in words is "one hundred ninety-six million, eight hundred eighty-nine thousand, seven hundred thirty".