10638198 has 24 divisors (see below), whose sum is σ = 23166936. Its totient is φ = 3528000.

The previous prime is 10638161. The next prime is 10638223. The reversal of 10638198 is 89183601.

10638198 is a `hidden beast` number, since 1 + 0 + 638 + 19 + 8 = 666.

10638198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10638198² = 226342513374408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2398 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (965289).

Almost surely, 2^10638198 is an apocalyptic number.

10638198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10638198 is an abundant number, since it is smaller than the sum of its proper divisors (12528738).

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

10638198 is a wasteful number, since it uses less digits than its factorization.

10638198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 10638198 is about 3261.6250550914. The cubic root of 10638198 is about 219.9324723879.

It can be divided in two parts, 1063 and 8198, that added together give a cube (9261 = 21³).

The spelling of 10638198 in words is "ten million, six hundred thirty-eight thousand, one hundred ninety-eight".