1938605934 has 24 divisors (see below), whose sum is σ = 3924571752. Its totient is φ = 638402800.

The previous prime is 1938605917. The next prime is 1938605941. The reversal of 1938605934 is 4395068391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17884 + ... + 64784.

It is an arithmetic number, because the mean of its divisors is an integer number (163523823).

Almost surely, 2^1938605934 is an apocalyptic number.

1938605934 is an abundant number, since it is smaller than the sum of its proper divisors (1985965818).

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

1938605934 is an equidigital number, since it uses as much as digits as its factorization.

1938605934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47072 (or 46989 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 1938605934 is about 44029.6029280301. The cubic root of 1938605934 is about 1246.8948922851.

The spelling of 1938605934 in words is "one billion, nine hundred thirty-eight million, six hundred five thousand, nine hundred thirty-four".