1038278938 has 12 divisors (see below), whose sum is σ = 1611503370. Its totient is φ = 501119640.

The previous prime is 1038278929. The next prime is 1038278947. The reversal of 1038278938 is 8398728301.

It is an interprime number because it is at equal distance from previous prime (1038278929) and next prime (1038278947).

It can be written as a sum of positive squares in only one way, i.e., 877166689 + 161112249 = 29617^2 + 12693^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1038278891 and 1038278900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243283 + ... + 247513.

Almost surely, 2^1038278938 is an apocalyptic number.

1038278938 is a deficient number, since it is larger than the sum of its proper divisors (573224432).

1038278938 is an frugal number, since it uses more digits than its factorization.

1038278938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 1038278938 is about 32222.3360109102. The cubic root of 1038278938 is about 1012.6002137866.

The spelling of 1038278938 in words is "one billion, thirty-eight million, two hundred seventy-eight thousand, nine hundred thirty-eight".