10390044 has 48 divisors (see below), whose sum is σ = 28464128. Its totient is φ = 2887488.

The previous prime is 10390027. The next prime is 10390049. The reversal of 10390044 is 44009301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10390044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10390049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 4779.

Almost surely, 2^10390044 is an apocalyptic number.

10390044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10390044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14232064).

10390044 is an abundant number, since it is smaller than the sum of its proper divisors (18074084).

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

10390044 is a wasteful number, since it uses less digits than its factorization.

10390044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 10390044 is about 3223.3591174425. The cubic root of 10390044 is about 218.2089011204.

Adding to 10390044 its reverse (44009301), we get a palindrome (54399345).

The spelling of 10390044 in words is "ten million, three hundred ninety thousand, forty-four".