1938655356 has 48 divisors (see below), whose sum is σ = 4938705408. Its totient is φ = 587001600.

The previous prime is 1938655337. The next prime is 1938655363. The reversal of 1938655356 is 6535568391.

It is a junction number, because it is equal to n+sod(n) for n = 1938655299 and 1938655308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182676 + ... + 192996.

It is an arithmetic number, because the mean of its divisors is an integer number (102889696).

Almost surely, 2^1938655356 is an apocalyptic number.

It is an amenable number.

1938655356 is an abundant number, since it is smaller than the sum of its proper divisors (3000050052).

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

1938655356 is a wasteful number, since it uses less digits than its factorization.

1938655356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11762 (or 11760 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 51.

The square root of 1938655356 is about 44030.1641604934. The cubic root of 1938655356 is about 1246.9054881321.

The spelling of 1938655356 in words is "one billion, nine hundred thirty-eight million, six hundred fifty-five thousand, three hundred fifty-six".