1004405106 has 16 divisors (see below), whose sum is σ = 2015231904. Its totient is φ = 333731424.

The previous prime is 1004405099. The next prime is 1004405141. The reversal of 1004405106 is 6015044001.

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, 265536 + ... + 269291.

It is an arithmetic number, because the mean of its divisors is an integer number (125951994).

Almost surely, 2^1004405106 is an apocalyptic number.

1004405106 is an abundant number, since it is smaller than the sum of its proper divisors (1010826798).

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

1004405106 is a wasteful number, since it uses less digits than its factorization.

1004405106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535145.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1004405106 is about 31692.3509068040. The cubic root of 1004405106 is about 1001.4662178213.

Adding to 1004405106 its reverse (6015044001), we get a palindrome (7019449107).

The spelling of 1004405106 in words is "one billion, four million, four hundred five thousand, one hundred six".