840356106 has 16 divisors (see below), whose sum is σ = 1753786944. Its totient is φ = 267939584.

The previous prime is 840356093. The next prime is 840356107. The reversal of 840356106 is 601653048.

It is not an unprimeable number, because it can be changed into a prime (840356107) 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, 3044631 + ... + 3044906.

It is an arithmetic number, because the mean of its divisors is an integer number (109611684).

Almost surely, 2^840356106 is an apocalyptic number.

840356106 is an abundant number, since it is smaller than the sum of its proper divisors (913430838).

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

840356106 is a wasteful number, since it uses less digits than its factorization.

840356106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089565.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 840356106 is about 28988.8962535658. The cubic root of 840356106 is about 943.6721104907.

The spelling of 840356106 in words is "eight hundred forty million, three hundred fifty-six thousand, one hundred six".