800745938 has 4 divisors (see below), whose sum is σ = 1201118910. Its totient is φ = 400372968.

The previous prime is 800745931. The next prime is 800746007. The reversal of 800745938 is 839547008.

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., 541632529 + 259113409 = 23273^2 + 16097^2 .

It is not an unprimeable number, because it can be changed into a prime (800745931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200186483 + ... + 200186486.

Almost surely, 2^800745938 is an apocalyptic number.

800745938 is a deficient number, since it is larger than the sum of its proper divisors (400372972).

800745938 is a wasteful number, since it uses less digits than its factorization.

800745938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400372971.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 800745938 is about 28297.4546205131. The cubic root of 800745938 is about 928.6062052166.

The spelling of 800745938 in words is "eight hundred million, seven hundred forty-five thousand, nine hundred thirty-eight".