47390846 has 4 divisors (see below), whose sum is σ = 71086272. Its totient is φ = 23695422.

The previous prime is 47390803. The next prime is 47390873. The reversal of 47390846 is 64809374.

47390846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11847710 + ... + 11847713.

It is an arithmetic number, because the mean of its divisors is an integer number (17771568).

Almost surely, 2^47390846 is an apocalyptic number.

47390846 is a deficient number, since it is larger than the sum of its proper divisors (23695426).

47390846 is a wasteful number, since it uses less digits than its factorization.

47390846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23695425.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 47390846 is about 6884.1009580046. The cubic root of 47390846 is about 361.8801990557.

It can be divided in two parts, 473 and 90846, that added together give a palindrome (91319).

The spelling of 47390846 in words is "forty-seven million, three hundred ninety thousand, eight hundred forty-six".