1138482 has 32 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 365904.

The previous prime is 1138457. The next prime is 1138483. The reversal of 1138482 is 2848311.

It is a super-2 number, since 2×1138482² = 2592282528648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203 + ... + 1929.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2^1138482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1138482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310400).

1138482 is an abundant number, since it is smaller than the sum of its proper divisors (1482318).

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

1138482 is a wasteful number, since it uses less digits than its factorization.

1138482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 761 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1138482 is about 1066.9967197700. The cubic root of 1138482 is about 104.4180045576.

The spelling of 1138482 in words is "one million, one hundred thirty-eight thousand, four hundred eighty-two".