1138948 has 6 divisors (see below), whose sum is σ = 1993166. Its totient is φ = 569472.

The previous prime is 1138919. The next prime is 1138957. The reversal of 1138948 is 8498311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 61504 = 1038^2 + 248^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142365 + ... + 142372.

2^1138948 is an apocalyptic number.

It is an amenable number.

1138948 is a deficient number, since it is larger than the sum of its proper divisors (854218).

1138948 is a wasteful number, since it uses less digits than its factorization.

1138948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284741 (or 284739 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 1138948 is about 1067.2150673599. The cubic root of 1138948 is about 104.4322493013.

The spelling of 1138948 in words is "one million, one hundred thirty-eight thousand, nine hundred forty-eight".