196434421 has 8 divisors (see below), whose sum is σ = 206124480. Its totient is φ = 186840192.

The previous prime is 196434391. The next prime is 196434499. The reversal of 196434421 is 124434691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196434421 - 2¹¹ = 196432373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196444421) 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, 19740 + ... + 27973.

It is an arithmetic number, because the mean of its divisors is an integer number (25765560).

Almost surely, 2^196434421 is an apocalyptic number.

It is an amenable number.

196434421 is a deficient number, since it is larger than the sum of its proper divisors (9690059).

196434421 is a wasteful number, since it uses less digits than its factorization.

196434421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47915.

The product of its digits is 20736, while the sum is 34.

The square root of 196434421 is about 14015.5064482166. The cubic root of 196434421 is about 581.3074162883.

The spelling of 196434421 in words is "one hundred ninety-six million, four hundred thirty-four thousand, four hundred twenty-one".