1938831332 has 12 divisors (see below), whose sum is σ = 3450462960. Its totient is φ = 952984776.

The previous prime is 1938831313. The next prime is 1938831397. The reversal of 1938831332 is 2331388391.

It is a self number, because there is not a number n which added to its sum of digits gives 1938831332.

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, 4107458 + ... + 4107929.

It is an arithmetic number, because the mean of its divisors is an integer number (287538580).

Almost surely, 2^1938831332 is an apocalyptic number.

It is an amenable number.

1938831332 is a deficient number, since it is larger than the sum of its proper divisors (1511631628).

1938831332 is a wasteful number, since it uses less digits than its factorization.

1938831332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215450 (or 8215448 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 1938831332 is about 44032.1624724473. The cubic root of 1938831332 is about 1246.9432151062.

The spelling of 1938831332 in words is "one billion, nine hundred thirty-eight million, eight hundred thirty-one thousand, three hundred thirty-two".