1044387 has 16 divisors (see below), whose sum is σ = 1582080. Its totient is φ = 680616.

The previous prime is 1044383. The next prime is 1044391. The reversal of 1044387 is 7834401.

It is an interprime number because it is at equal distance from previous prime (1044383) and next prime (1044391).

It is not a de Polignac number, because 1044387 - 2² = 1044383 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1044387.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (98880).

2^1044387 is an apocalyptic number.

1044387 is a deficient number, since it is larger than the sum of its proper divisors (537693).

1044387 is an equidigital number, since it uses as much as digits as its factorization.

1044387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1044387 is about 1021.9525429295. The cubic root of 1044387 is about 101.4581998442.

Adding to 1044387 its reverse (7834401), we get a palindrome (8878788).

It can be divided in two parts, 1044 and 387, that added together give a triangular number (1431 = T₅₃).

The spelling of 1044387 in words is "one million, forty-four thousand, three hundred eighty-seven".