803775442 has 4 divisors (see below), whose sum is σ = 1205663166. Its totient is φ = 401887720.

The previous prime is 803775433. The next prime is 803775461. The reversal of 803775442 is 244577308.

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., 636098841 + 167676601 = 25221^2 + 12949^2 .

It is a super-2 number, since 2×803775442² = 1292109922324590728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 803775395 and 803775404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200943859 + ... + 200943862.

Almost surely, 2^803775442 is an apocalyptic number.

803775442 is a deficient number, since it is larger than the sum of its proper divisors (401887724).

803775442 is a wasteful number, since it uses less digits than its factorization.

803775442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401887723.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 803775442 is about 28350.9337059646. The cubic root of 803775442 is about 929.7758129211.

The spelling of 803775442 in words is "eight hundred three million, seven hundred seventy-five thousand, four hundred forty-two".