196040394 has 48 divisors (see below), whose sum is σ = 468003744. Its totient is φ = 58812000.

The previous prime is 196040381. The next prime is 196040407. The reversal of 196040394 is 493040691.

196040394 is a `hidden beast` number, since 19 + 604 + 0 + 39 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (196040381) and next prime (196040407).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15097 + ... + 24899.

It is an arithmetic number, because the mean of its divisors is an integer number (9750078).

Almost surely, 2^196040394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196040394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234001872).

196040394 is an abundant number, since it is smaller than the sum of its proper divisors (271963350).

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

196040394 is a wasteful number, since it uses less digits than its factorization.

196040394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923 (or 9920 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 196040394 is about 14001.4425685356. The cubic root of 196040394 is about 580.9184753927.

The spelling of 196040394 in words is "one hundred ninety-six million, forty thousand, three hundred ninety-four".