840700234 has 16 divisors (see below), whose sum is σ = 1376539200. Its totient is φ = 381900960.

The previous prime is 840700219. The next prime is 840700283. The reversal of 840700234 is 432007048.

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 7 ways as a sum of consecutive naturals, for example, 27667 + ... + 49465.

It is an arithmetic number, because the mean of its divisors is an integer number (86033700).

Almost surely, 2^840700234 is an apocalyptic number.

840700234 is a deficient number, since it is larger than the sum of its proper divisors (535838966).

840700234 is a wasteful number, since it uses less digits than its factorization.

840700234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23565.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 840700234 is about 28994.8311600533. The cubic root of 840700234 is about 943.8009049688.

The spelling of 840700234 in words is "eight hundred forty million, seven hundred thousand, two hundred thirty-four".