1938816248 has 16 divisors (see below), whose sum is σ = 3636075960. Its totient is φ = 969196000.

The previous prime is 1938816233. The next prime is 1938816251. The reversal of 1938816248 is 8426188391.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1938816196 and 1938816205.

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, 16418 + ... + 64398.

Almost surely, 2^1938816248 is an apocalyptic number.

It is an amenable number.

1938816248 is a deficient number, since it is larger than the sum of its proper divisors (1697259712).

1938816248 is a wasteful number, since it uses less digits than its factorization.

1938816248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53038 (or 53034 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 1938816248 is about 44031.9911882259. The cubic root of 1938816248 is about 1246.9399813815.

The spelling of 1938816248 in words is "one billion, nine hundred thirty-eight million, eight hundred sixteen thousand, two hundred forty-eight".