1004442071 has 8 divisors (see below), whose sum is σ = 1041806784. Its totient is φ = 967615200.

The previous prime is 1004442037. The next prime is 1004442073. The reversal of 1004442071 is 1702444001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004442071 - 2⁶ = 1004442007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004442073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130655 + ... + 138128.

It is an arithmetic number, because the mean of its divisors is an integer number (130225848).

Almost surely, 2^1004442071 is an apocalyptic number.

1004442071 is a deficient number, since it is larger than the sum of its proper divisors (37364713).

1004442071 is a wasteful number, since it uses less digits than its factorization.

1004442071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268921.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1004442071 is about 31692.9340863228. The cubic root of 1004442071 is about 1001.4785032841.

Adding to 1004442071 its reverse (1702444001), we get a palindrome (2706886072).

The spelling of 1004442071 in words is "one billion, four million, four hundred forty-two thousand, seventy-one".