1073978338 has 4 divisors (see below), whose sum is σ = 1610967510. Its totient is φ = 536989168.

The previous prime is 1073978303. The next prime is 1073978351. The reversal of 1073978338 is 8338793701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 922762129 + 151216209 = 30377^2 + 12297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1073978291 and 1073978300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268494583 + ... + 268494586.

Almost surely, 2^1073978338 is an apocalyptic number.

1073978338 is a deficient number, since it is larger than the sum of its proper divisors (536989172).

1073978338 is an equidigital number, since it uses as much as digits as its factorization.

1073978338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536989171.

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 1073978338 is about 32771.6087185234. The cubic root of 1073978338 is about 1024.0751802560.

The spelling of 1073978338 in words is "one billion, seventy-three million, nine hundred seventy-eight thousand, three hundred thirty-eight".