1244838 has 32 divisors (see below), whose sum is σ = 2882304. Its totient is φ = 351072.

The previous prime is 1244833. The next prime is 1244839. The reversal of 1244838 is 8384421.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4356 + ... + 4632.

It is an arithmetic number, because the mean of its divisors is an integer number (90072).

2^1244838 is an apocalyptic number.

1244838 is an abundant number, since it is smaller than the sum of its proper divisors (1637466).

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

1244838 is a wasteful number, since it uses less digits than its factorization.

1244838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

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

The square root of 1244838 is about 1115.7230839236. The cubic root of 1244838 is about 107.5732473579.

It can be divided in two parts, 12 and 44838, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 1244838 in words is "one million, two hundred forty-four thousand, eight hundred thirty-eight".