849940098 has 32 divisors (see below), whose sum is σ = 1995229824. Its totient is φ = 236276352.

The previous prime is 849940097. The next prime is 849940111. The reversal of 849940098 is 890049948.

It is a self number, because there is not a number n which added to its sum of digits gives 849940098.

It is not an unprimeable number, because it can be changed into a prime (849940097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271915 + ... + 275022.

It is an arithmetic number, because the mean of its divisors is an integer number (62350932).

Almost surely, 2^849940098 is an apocalyptic number.

849940098 is an abundant number, since it is smaller than the sum of its proper divisors (1145289726).

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

849940098 is a wasteful number, since it uses less digits than its factorization.

849940098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546986.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 849940098 is about 29153.7321453017. The cubic root of 849940098 is about 947.2459844036.

The spelling of 849940098 in words is "eight hundred forty-nine million, nine hundred forty thousand, ninety-eight".