849120398 has 16 divisors (see below), whose sum is σ = 1489488000. Its totient is φ = 355445496.

The previous prime is 849120397. The next prime is 849120409. The reversal of 849120398 is 893021948.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849120397) 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, 704648 + ... + 705851.

It is an arithmetic number, because the mean of its divisors is an integer number (93093000).

Almost surely, 2^849120398 is an apocalyptic number.

849120398 is a deficient number, since it is larger than the sum of its proper divisors (640367602).

849120398 is a wasteful number, since it uses less digits than its factorization.

849120398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410551.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 849120398 is about 29139.6705197571. The cubic root of 849120398 is about 946.9413718473.

The spelling of 849120398 in words is "eight hundred forty-nine million, one hundred twenty thousand, three hundred ninety-eight".