869247198 has 12 divisors (see below), whose sum is σ = 1883368968. Its totient is φ = 289749060.

The previous prime is 869247173. The next prime is 869247199. The reversal of 869247198 is 891742968.

869247198 is a `hidden beast` number, since 86 + 9 + 2 + 471 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869247199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24145738 + ... + 24145773.

It is an arithmetic number, because the mean of its divisors is an integer number (156947414).

Almost surely, 2^869247198 is an apocalyptic number.

869247198 is an abundant number, since it is smaller than the sum of its proper divisors (1014121770).

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

869247198 is a wasteful number, since it uses less digits than its factorization.

869247198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48291519 (or 48291516 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 869247198 is about 29482.9984567377. The cubic root of 869247198 is about 954.3648446959.

The spelling of 869247198 in words is "eight hundred sixty-nine million, two hundred forty-seven thousand, one hundred ninety-eight".