840474354 has 16 divisors (see below), whose sum is σ = 1681274880. Its totient is φ = 280103760.

The previous prime is 840474347. The next prime is 840474359. The reversal of 840474354 is 453474048.

840474354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (840474359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31332 + ... + 51600.

It is an arithmetic number, because the mean of its divisors is an integer number (105079680).

Almost surely, 2^840474354 is an apocalyptic number.

840474354 is an abundant number, since it is smaller than the sum of its proper divisors (840800526).

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

840474354 is a wasteful number, since it uses less digits than its factorization.

840474354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27185.

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 840474354 is about 28990.9357213595. The cubic root of 840474354 is about 943.7163703409.

The spelling of 840474354 in words is "eight hundred forty million, four hundred seventy-four thousand, three hundred fifty-four".