1139444 has 12 divisors (see below), whose sum is σ = 2010624. Its totient is φ = 564984.

The previous prime is 1139423. The next prime is 1139461. The reversal of 1139444 is 4449311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (167552).

2^1139444 is an apocalyptic number.

It is an amenable number.

1139444 is a deficient number, since it is larger than the sum of its proper divisors (871180).

1139444 is a wasteful number, since it uses less digits than its factorization.

1139444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2372 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 1139444 is about 1067.4474225928. The cubic root of 1139444 is about 104.4474068204.

The spelling of 1139444 in words is "one million, one hundred thirty-nine thousand, four hundred forty-four".