1004021434 has 8 divisors (see below), whose sum is σ = 1621880820. Its totient is φ = 463394496.

The previous prime is 1004021423. The next prime is 1004021449. The reversal of 1004021434 is 4341204001.

It can be written as a sum of positive squares in 2 ways, for example, as 988788025 + 15233409 = 31445^2 + 3903^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19308079 + ... + 19308130.

Almost surely, 2^1004021434 is an apocalyptic number.

1004021434 is a deficient number, since it is larger than the sum of its proper divisors (617859386).

1004021434 is a wasteful number, since it uses less digits than its factorization.

1004021434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38616224.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1004021434 is about 31686.2972592255. The cubic root of 1004021434 is about 1001.3386851225.

Adding to 1004021434 its reverse (4341204001), we get a palindrome (5345225435).

The spelling of 1004021434 in words is "one billion, four million, twenty-one thousand, four hundred thirty-four".