1938835564 has 6 divisors (see below), whose sum is σ = 3392962244. Its totient is φ = 969417780.

The previous prime is 1938835469. The next prime is 1938835579. The reversal of 1938835564 is 4655388391.

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 as a sum of consecutive naturals, namely, 242354442 + ... + 242354449.

Almost surely, 2^1938835564 is an apocalyptic number.

It is an amenable number.

1938835564 is a deficient number, since it is larger than the sum of its proper divisors (1454126680).

1938835564 is a wasteful number, since it uses less digits than its factorization.

1938835564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484708895 (or 484708893 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The square root of 1938835564 is about 44032.2105282031. The cubic root of 1938835564 is about 1246.9441223641.

The spelling of 1938835564 in words is "one billion, nine hundred thirty-eight million, eight hundred thirty-five thousand, five hundred sixty-four".