1038889650 has 24 divisors (see below), whose sum is σ = 2576446704. Its totient is φ = 277037200.

The previous prime is 1038889633. The next prime is 1038889651. The reversal of 1038889650 is 569888301.

It is a self number, because there is not a number n which added to its sum of digits gives 1038889650.

It is not an unprimeable number, because it can be changed into a prime (1038889651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3462816 + ... + 3463115.

It is an arithmetic number, because the mean of its divisors is an integer number (107351946).

Almost surely, 2^1038889650 is an apocalyptic number.

1038889650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1038889650 is an abundant number, since it is smaller than the sum of its proper divisors (1537557054).

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

1038889650 is a wasteful number, since it uses less digits than its factorization.

1038889650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6925946 (or 6925941 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1038889650 is about 32231.8111498563. The cubic root of 1038889650 is about 1012.7987108283.

The spelling of 1038889650 in words is "one billion, thirty-eight million, eight hundred eighty-nine thousand, six hundred fifty".