196405726 has 32 divisors (see below), whose sum is σ = 345915360. Its totient is φ = 82636800.

The previous prime is 196405721. The next prime is 196405733. The reversal of 196405726 is 627504691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196405721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18510 + ... + 27118.

It is an arithmetic number, because the mean of its divisors is an integer number (10809855).

Almost surely, 2^196405726 is an apocalyptic number.

196405726 is a deficient number, since it is larger than the sum of its proper divisors (149509634).

196405726 is a wasteful number, since it uses less digits than its factorization.

196405726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 196405726 is about 14014.4827232403. The cubic root of 196405726 is about 581.2791092525.

The spelling of 196405726 in words is "one hundred ninety-six million, four hundred five thousand, seven hundred twenty-six".