849193388 has 12 divisors (see below), whose sum is σ = 1500517200. Its totient is φ = 420474192.

The previous prime is 849193379. The next prime is 849193427. The reversal of 849193388 is 883391948.

It is a super-2 number, since 2×849193388² = 1442258820445837088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030163 + ... + 1030986.

It is an arithmetic number, because the mean of its divisors is an integer number (125043100).

Almost surely, 2^849193388 is an apocalyptic number.

It is an amenable number.

849193388 is a deficient number, since it is larger than the sum of its proper divisors (651323812).

849193388 is a wasteful number, since it uses less digits than its factorization.

849193388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061256 (or 2061254 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 53.

The square root of 849193388 is about 29140.9229092011. The cubic root of 849193388 is about 946.9685039519.

The spelling of 849193388 in words is "eight hundred forty-nine million, one hundred ninety-three thousand, three hundred eighty-eight".