1073686338 has 12 divisors (see below), whose sum is σ = 2326320438. Its totient is φ = 357895440.

The previous prime is 1073686319. The next prime is 1073686373. The reversal of 1073686338 is 8336863701.

1073686338 is a `hidden beast` number, since 1 + 0 + 7 + 3 + 6 + 8 + 633 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1024448049 + 49238289 = 32007^2 + 7017^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1073686293 and 1073686302.

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, 29824603 + ... + 29824638.

Almost surely, 2^1073686338 is an apocalyptic number.

1073686338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1073686338 is an abundant number, since it is smaller than the sum of its proper divisors (1252634100).

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

1073686338 is a wasteful number, since it uses less digits than its factorization.

1073686338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59649249 (or 59649246 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 1073686338 is about 32767.1533398921. The cubic root of 1073686338 is about 1023.9823611718.

The spelling of 1073686338 in words is "one billion, seventy-three million, six hundred eighty-six thousand, three hundred thirty-eight".