10638042 has 8 divisors (see below), whose sum is σ = 21276096. Its totient is φ = 3546012.

The previous prime is 10638037. The next prime is 10638049. The reversal of 10638042 is 24083601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

10638042 is an admirable number.

It is a super-2 number, since 2×10638042² = 226335875187528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10638049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 886498 + ... + 886509.

It is an arithmetic number, because the mean of its divisors is an integer number (2659512).

Almost surely, 2^10638042 is an apocalyptic number.

10638042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10638042 is a wasteful number, since it uses less digits than its factorization.

10638042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773012.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 10638042 is about 3261.6011405443. The cubic root of 10638042 is about 219.9313973426.

The spelling of 10638042 in words is "ten million, six hundred thirty-eight thousand, forty-two".