10638194 has 12 divisors (see below), whose sum is σ = 18562734. Its totient is φ = 4559184.

The previous prime is 10638161. The next prime is 10638223. The reversal of 10638194 is 49183601.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 1787569 = 2975^2 + 1337^2 .

It is a super-2 number, since 2×10638194² = 226342343163272, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10638194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54179 + ... + 54374.

Almost surely, 2^10638194 is an apocalyptic number.

10638194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10638194 is a deficient number, since it is larger than the sum of its proper divisors (7924540).

10638194 is a wasteful number, since it uses less digits than its factorization.

10638194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108569 (or 108562 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10638194 is about 3261.6244419001. The cubic root of 10638194 is about 219.9324448228.

The spelling of 10638194 in words is "ten million, six hundred thirty-eight thousand, one hundred ninety-four".