10198864 has 20 divisors (see below), whose sum is σ = 21280756. Its totient is φ = 4707072.

The previous prime is 10198829. The next prime is 10198889. The reversal of 10198864 is 46889101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 8456464 = 1320^2 + 2908^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24309 + ... + 24724.

Almost surely, 2^10198864 is an apocalyptic number.

It is an amenable number.

10198864 is an abundant number, since it is smaller than the sum of its proper divisors (11081892).

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

10198864 is a wasteful number, since it uses less digits than its factorization.

10198864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49054 (or 49048 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 10198864 is about 3193.5660318835. The cubic root of 10198864 is about 216.8622370938.

The spelling of 10198864 in words is "ten million, one hundred ninety-eight thousand, eight hundred sixty-four".