47348821 has 8 divisors (see below), whose sum is σ = 51359840. Its totient is φ = 43390512.

The previous prime is 47348803. The next prime is 47348831. The reversal of 47348821 is 12884374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47348821 - 2²³ = 38960213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47348831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11295 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (6419980).

Almost surely, 2^47348821 is an apocalyptic number.

It is an amenable number.

47348821 is a deficient number, since it is larger than the sum of its proper divisors (4011019).

47348821 is a wasteful number, since it uses less digits than its factorization.

47348821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26355.

The product of its digits is 43008, while the sum is 37.

The square root of 47348821 is about 6881.0479579785. The cubic root of 47348821 is about 361.7731986943.

It can be divided in two parts, 473 and 48821, that added together give a palindrome (49294).

The spelling of 47348821 in words is "forty-seven million, three hundred forty-eight thousand, eight hundred twenty-one".