845804374 has 4 divisors (see below), whose sum is σ = 1268706564. Its totient is φ = 422902186.

The previous prime is 845804347. The next prime is 845804387. The reversal of 845804374 is 473408548.

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

It is a self number, because there is not a number n which added to its sum of digits gives 845804374.

It is a congruent number.

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, 211451092 + ... + 211451095.

It is an arithmetic number, because the mean of its divisors is an integer number (317176641).

Almost surely, 2^845804374 is an apocalyptic number.

845804374 is a deficient number, since it is larger than the sum of its proper divisors (422902190).

845804374 is a wasteful number, since it uses less digits than its factorization.

845804374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422902189.

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 845804374 is about 29082.7160698584. The cubic root of 845804374 is about 945.7070840636.

The spelling of 845804374 in words is "eight hundred forty-five million, eight hundred four thousand, three hundred seventy-four".