1398096688 has 20 divisors (see below), whose sum is σ = 2709757368. Its totient is φ = 698804480.

The previous prime is 1398096631. The next prime is 1398096697. The reversal of 1398096688 is 8866908931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37608 + ... + 64888.

Almost surely, 2^1398096688 is an apocalyptic number.

It is an amenable number.

1398096688 is a deficient number, since it is larger than the sum of its proper divisors (1311660680).

1398096688 is a wasteful number, since it uses less digits than its factorization.

1398096688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30492 (or 30486 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 1398096688 is about 37391.1311409537. The cubic root of 1398096688 is about 1118.1817564357.

The spelling of 1398096688 in words is "one billion, three hundred ninety-eight million, ninety-six thousand, six hundred eighty-eight".