1138548 has 24 divisors (see below), whose sum is σ = 2692480. Its totient is φ = 374400.

The previous prime is 1138547. The next prime is 1138559. The reversal of 1138548 is 8458311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348 + ... + 1548.

2^1138548 is an apocalyptic number.

It is an amenable number.

1138548 is an abundant number, since it is smaller than the sum of its proper divisors (1553932).

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

1138548 is a wasteful number, since it uses less digits than its factorization.

1138548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 1138548 is about 1067.0276472519. The cubic root of 1138548 is about 104.4200222898.

The spelling of 1138548 in words is "one million, one hundred thirty-eight thousand, five hundred forty-eight".