10011938 has 4 divisors (see below), whose sum is σ = 15017910. Its totient is φ = 5005968.

The previous prime is 10011919. The next prime is 10011959. The reversal of 10011938 is 83911001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83911001 = 67 ⋅1252403.

It can be written as a sum of positive squares in only one way, i.e., 9815689 + 196249 = 3133^2 + 443^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502983 + ... + 2502986.

Almost surely, 2^10011938 is an apocalyptic number.

10011938 is a deficient number, since it is larger than the sum of its proper divisors (5005972).

10011938 is an equidigital number, since it uses as much as digits as its factorization.

10011938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005971.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 10011938 is about 3164.1646606964. The cubic root of 10011938 is about 215.5291670479.

Adding to 10011938 its reverse (83911001), we get a palindrome (93922939).

The spelling of 10011938 in words is "ten million, eleven thousand, nine hundred thirty-eight".