1004739688 has 16 divisors (see below), whose sum is σ = 1894297860. Its totient is φ = 499593600.

The previous prime is 1004739653. The next prime is 1004739719. The reversal of 1004739688 is 8869374001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 873911844 + 130827844 = 29562^2 + 11438^2 .

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, 345493 + ... + 348388.

Almost surely, 2^1004739688 is an apocalyptic number.

It is an amenable number.

1004739688 is a deficient number, since it is larger than the sum of its proper divisors (889558172).

1004739688 is a wasteful number, since it uses less digits than its factorization.

1004739688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694068 (or 694064 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1004739688 is about 31697.6290596000. The cubic root of 1004739688 is about 1001.5774064805.

The spelling of 1004739688 in words is "one billion, four million, seven hundred thirty-nine thousand, six hundred eighty-eight".