1939198896 has 30 divisors (see below), whose sum is σ = 5427063980. Its totient is φ = 646399584.

The previous prime is 1939198873. The next prime is 1939198901. The reversal of 1939198896 is 6988919391.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6733186 + ... + 6733473.

Almost surely, 2^1939198896 is an apocalyptic number.

1939198896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1939198896 is an abundant number, since it is smaller than the sum of its proper divisors (3487865084).

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

1939198896 is a wasteful number, since it uses less digits than its factorization.

1939198896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13466673 (or 13466664 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 63.

The square root of 1939198896 is about 44036.3360873722. The cubic root of 1939198896 is about 1247.0220087018.

It can be divided in two parts, 193 and 9198896, that added together give a square (9199089 = 3033²).

The spelling of 1939198896 in words is "one billion, nine hundred thirty-nine million, one hundred ninety-eight thousand, eight hundred ninety-six".