1138396 has 24 divisors (see below), whose sum is σ = 2303840.
Its totient is φ = 482112.
The previous prime is 1138393. The next prime is 1138409. The reversal of 1138396 is 6938311.
1138396 is nontrivially palindromic in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1138391) 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, 2866 + ... + 3238.
21138396 is an apocalyptic number.
It is an amenable number.
1138396 is an abundant number, since it is smaller than the sum of its proper divisors (1165444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1138396 is a wasteful number, since it uses less digits than its factorization.
1138396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493 (or 491 counting only the distinct ones).
The product of its digits is 3888, while the sum is 31.
The square root of 1138396 is about 1066.9564189788.
The cubic root of 1138396 is about 104.4153752745.
The spelling of 1138396 in words is "one million, one hundred thirty-eight thousand, three hundred ninety-six".