849097998 has 64 divisors (see below), whose sum is σ = 2226032640. Its totient is φ = 234770400.

The previous prime is 849097961. The next prime is 849098039. The reversal of 849097998 is 899790948.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24513 + ... + 47948.

It is an arithmetic number, because the mean of its divisors is an integer number (34781760).

Almost surely, 2^849097998 is an apocalyptic number.

849097998 is an abundant number, since it is smaller than the sum of its proper divisors (1376934642).

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

849097998 is a wasteful number, since it uses less digits than its factorization.

849097998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72510 (or 72504 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 849097998 is about 29139.2861614694. The cubic root of 849097998 is about 946.9330449271.

The spelling of 849097998 in words is "eight hundred forty-nine million, ninety-seven thousand, nine hundred ninety-eight".