1244388 has 12 divisors (see below), whose sum is σ = 2903600. Its totient is φ = 414792.

The previous prime is 1244381. The next prime is 1244393. The reversal of 1244388 is 8834421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1244388³ = 5780810033377857216, which contains 333 as substring.

It is a plaindrome in base 14.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1244381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51838 + ... + 51861.

2^1244388 is an apocalyptic number.

It is an amenable number.

1244388 is an abundant number, since it is smaller than the sum of its proper divisors (1659212).

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

1244388 is a wasteful number, since it uses less digits than its factorization.

1244388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103706 (or 103704 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 1244388 is about 1115.5214027530. The cubic root of 1244388 is about 107.5602834767.

The spelling of 1244388 in words is "one million, two hundred forty-four thousand, three hundred eighty-eight".