1238538 has 32 divisors (see below), whose sum is σ = 2911104. Its totient is φ = 343872.

The previous prime is 1238537. The next prime is 1238551. The reversal of 1238538 is 8358321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1238533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (90972).

2^1238538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455552).

1238538 is an abundant number, since it is smaller than the sum of its proper divisors (1672566).

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

1238538 is a wasteful number, since it uses less digits than its factorization.

1238538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its digits is 5760, while the sum is 30.

The square root of 1238538 is about 1112.8962215768. The cubic root of 1238538 is about 107.3914678920.

The spelling of 1238538 in words is "one million, two hundred thirty-eight thousand, five hundred thirty-eight".