196233581 has 4 divisors (see below), whose sum is σ = 197437632. Its totient is φ = 195029532.

The previous prime is 196233571. The next prime is 196233589. The reversal of 196233581 is 185332691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196233581 - 2¹⁸ = 195971437 is a prime.

It is a super-2 number, since 2×196233581² = 77015236624167122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196233589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601781 + ... + 602106.

It is an arithmetic number, because the mean of its divisors is an integer number (49359408).

Almost surely, 2^196233581 is an apocalyptic number.

It is an amenable number.

196233581 is a deficient number, since it is larger than the sum of its proper divisors (1204051).

196233581 is a wasteful number, since it uses less digits than its factorization.

196233581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204050.

The product of its digits is 38880, while the sum is 38.

The square root of 196233581 is about 14008.3396946248. The cubic root of 196233581 is about 581.1092337890.

The spelling of 196233581 in words is "one hundred ninety-six million, two hundred thirty-three thousand, five hundred eighty-one".