840239098 has 16 divisors (see below), whose sum is σ = 1306869480. Its totient is φ = 404683776.

The previous prime is 840239089. The next prime is 840239111. The reversal of 840239098 is 890932048.

It is a happy number.

840239098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 517426009 + 322813089 = 22747^2 + 17967^2 .

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, 8386 + ... + 41842.

Almost surely, 2^840239098 is an apocalyptic number.

840239098 is a deficient number, since it is larger than the sum of its proper divisors (466630382).

840239098 is a wasteful number, since it uses less digits than its factorization.

840239098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33921.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 840239098 is about 28986.8780312748. The cubic root of 840239098 is about 943.6283106814.

The spelling of 840239098 in words is "eight hundred forty million, two hundred thirty-nine thousand, ninety-eight".