196590 has 16 divisors (see below), whose sum is σ = 471888. Its totient is φ = 52416.

The previous prime is 196583. The next prime is 196597. The reversal of 196590 is 95691.

It is an interprime number because it is at equal distance from previous prime (196583) and next prime (196597).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6553 = 196590 / (1 + 9 + 6 + 5 + 9 + 0).

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196597) 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, 3247 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (29493).

2¹⁹⁶⁵⁹⁰ is an apocalyptic number.

196590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196590 is an abundant number, since it is smaller than the sum of its proper divisors (275298).

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

196590 is a wasteful number, since it uses less digits than its factorization.

196590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 196590 is about 443.3847088026. The cubic root of 196590 is about 58.1460843846.

The spelling of 196590 in words is "one hundred ninety-six thousand, five hundred ninety".