1039444 has 12 divisors (see below), whose sum is σ = 2078944. Its totient is φ = 445464.

The previous prime is 1039429. The next prime is 1039463. The reversal of 1039444 is 4449301.

It is a happy number.

1039444 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a nialpdrome in base 16.

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, 18534 + ... + 18589.

2^1039444 is an apocalyptic number.

1039444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1039444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1039444 is a wasteful number, since it uses less digits than its factorization.

1039444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37134 (or 37132 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1039444 is about 1019.5312648467. The cubic root of 1039444 is about 101.2978821434.

The spelling of 1039444 in words is "one million, thirty-nine thousand, four hundred forty-four".