840250838 has 16 divisors (see below), whose sum is σ = 1446412704. Its totient is φ = 358611840.

The previous prime is 840250811. The next prime is 840250841. The reversal of 840250838 is 838052048.

840250838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121145 + ... + 127892.

It is an arithmetic number, because the mean of its divisors is an integer number (90400794).

Almost surely, 2^840250838 is an apocalyptic number.

840250838 is a deficient number, since it is larger than the sum of its proper divisors (606161866).

840250838 is a wasteful number, since it uses less digits than its factorization.

840250838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249287.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 840250838 is about 28987.0805359905. The cubic root of 840250838 is about 943.6327055197.

The spelling of 840250838 in words is "eight hundred forty million, two hundred fifty thousand, eight hundred thirty-eight".