1004930405 has 8 divisors (see below), whose sum is σ = 1216980600. Its totient is φ = 796568256.

The previous prime is 1004930363. The next prime is 1004930431. The reversal of 1004930405 is 5040394001.

It can be written as a sum of positive squares in 4 ways, for example, as 51294244 + 953636161 = 7162^2 + 30881^2 .

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 1004930405 - 2⁶ = 1004930341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921410 + ... + 922499.

It is an arithmetic number, because the mean of its divisors is an integer number (152122575).

Almost surely, 2^1004930405 is an apocalyptic number.

It is an amenable number.

1004930405 is a deficient number, since it is larger than the sum of its proper divisors (212050195).

1004930405 is a wasteful number, since it uses less digits than its factorization.

1004930405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844023.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1004930405 is about 31700.6372964330. The cubic root of 1004930405 is about 1001.6407747193.

The spelling of 1004930405 in words is "one billion, four million, nine hundred thirty thousand, four hundred five".