840196235 has 16 divisors (see below), whose sum is σ = 1022651136. Its totient is φ = 662606688.

The previous prime is 840196213. The next prime is 840196241. The reversal of 840196235 is 532691048.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 840196235 - 2⁶ = 840196171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113312 + ... + 120498.

It is an arithmetic number, because the mean of its divisors is an integer number (63915696).

Almost surely, 2^840196235 is an apocalyptic number.

840196235 is a deficient number, since it is larger than the sum of its proper divisors (182454901).

840196235 is a wasteful number, since it uses less digits than its factorization.

840196235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 840196235 is about 28986.1386700609. The cubic root of 840196235 is about 943.6122646821.

The spelling of 840196235 in words is "eight hundred forty million, one hundred ninety-six thousand, two hundred thirty-five".