1004495860 has 12 divisors (see below), whose sum is σ = 2109441348. Its totient is φ = 401798336.

The previous prime is 1004495837. The next prime is 1004495879. The reversal of 1004495860 is 685944001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 707347216 + 297148644 = 26596^2 + 17238^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25112377 + ... + 25112416.

It is an arithmetic number, because the mean of its divisors is an integer number (175786779).

Almost surely, 2^1004495860 is an apocalyptic number.

1004495860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004495860 is an abundant number, since it is smaller than the sum of its proper divisors (1104945488).

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

1004495860 is a wasteful number, since it uses less digits than its factorization.

1004495860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50224802 (or 50224800 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1004495860 is about 31693.7826710540. The cubic root of 1004495860 is about 1001.4963797308.

The spelling of 1004495860 in words is "one billion, four million, four hundred ninety-five thousand, eight hundred sixty".