1004994426 has 32 divisors (see below), whose sum is σ = 2025725760. Its totient is φ = 332384384.

The previous prime is 1004994401. The next prime is 1004994433. The reversal of 1004994426 is 6244994001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700606 + ... + 702038.

It is an arithmetic number, because the mean of its divisors is an integer number (63303930).

Almost surely, 2^1004994426 is an apocalyptic number.

1004994426 is an abundant number, since it is smaller than the sum of its proper divisors (1020731334).

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

1004994426 is a wasteful number, since it uses less digits than its factorization.

1004994426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1004994426 is about 31701.6470550033. The cubic root of 1004994426 is about 1001.6620447435.

The spelling of 1004994426 in words is "one billion, four million, nine hundred ninety-four thousand, four hundred twenty-six".