1004942093 has 4 divisors (see below), whose sum is σ = 1005833340. Its totient is φ = 1004050848.

The previous prime is 1004942087. The next prime is 1004942101. The reversal of 1004942093 is 3902494001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 226141444 + 778800649 = 15038^2 + 27907^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004942093 - 2⁸ = 1004941837 is a prime.

It is a super-2 number, since 2×1004942093² = 2019817220566441298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004942033) by changing a digit.

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, 443930 + ... + 446187.

It is an arithmetic number, because the mean of its divisors is an integer number (251458335).

Almost surely, 2^1004942093 is an apocalyptic number.

It is an amenable number.

1004942093 is a deficient number, since it is larger than the sum of its proper divisors (891247).

1004942093 is an equidigital number, since it uses as much as digits as its factorization.

1004942093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891246.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1004942093 is about 31700.8216455031. The cubic root of 1004942093 is about 1001.6446579507.

The spelling of 1004942093 in words is "one billion, four million, nine hundred forty-two thousand, ninety-three".