196910406 has 256 divisors, whose sum is σ = 597196800. Its totient is φ = 46569600.

The previous prime is 196910381. The next prime is 196910407. The reversal of 196910406 is 604019691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196910407) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2773351 + ... + 2773421.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^196910406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196910406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298598400).

196910406 is an abundant number, since it is smaller than the sum of its proper divisors (400286394).

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

196910406 is a wasteful number, since it uses less digits than its factorization.

196910406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 196910406 is about 14032.4768305528. The cubic root of 196910406 is about 581.7765642476.

The spelling of 196910406 in words is "one hundred ninety-six million, nine hundred ten thousand, four hundred six".