1138938 has 8 divisors (see below), whose sum is σ = 2277888. Its totient is φ = 379644.

The previous prime is 1138919. The next prime is 1138957. The reversal of 1138938 is 8398311.

It is an interprime number because it is at equal distance from previous prime (1138919) and next prime (1138957).

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

1138938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1138899 and 1138908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94906 + ... + 94917.

It is an arithmetic number, because the mean of its divisors is an integer number (284736).

2^1138938 is an apocalyptic number.

1138938 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.

1138938 is a wasteful number, since it uses less digits than its factorization.

1138938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189828.

The product of its digits is 5184, while the sum is 33.

The square root of 1138938 is about 1067.2103822583. The cubic root of 1138938 is about 104.4319436609.

The spelling of 1138938 in words is "one million, one hundred thirty-eight thousand, nine hundred thirty-eight".