47803894 has 4 divisors (see below), whose sum is σ = 71705844. Its totient is φ = 23901946.

The previous prime is 47803883. The next prime is 47803937. The reversal of 47803894 is 49830874.

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 47803894.

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, 11950972 + ... + 11950975.

It is an arithmetic number, because the mean of its divisors is an integer number (17926461).

Almost surely, 2^47803894 is an apocalyptic number.

47803894 is a deficient number, since it is larger than the sum of its proper divisors (23901950).

47803894 is a wasteful number, since it uses less digits than its factorization.

47803894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901949.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 47803894 is about 6914.0360137911. The cubic root of 47803894 is about 362.9285148896.

The spelling of 47803894 in words is "forty-seven million, eight hundred three thousand, eight hundred ninety-four".