47308844 has 12 divisors (see below), whose sum is σ = 90316968. Its totient is φ = 21504000.

The previous prime is 47308823. The next prime is 47308847. The reversal of 47308844 is 44880374.

It is a junction number, because it is equal to n+sod(n) for n = 47308798 and 47308807.

It is not an unprimeable number, because it can be changed into a prime (47308847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537557 + ... + 537644.

It is an arithmetic number, because the mean of its divisors is an integer number (7526414).

Almost surely, 2^47308844 is an apocalyptic number.

47308844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47308844 is a deficient number, since it is larger than the sum of its proper divisors (43008124).

47308844 is a wasteful number, since it uses less digits than its factorization.

47308844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075216 (or 1075214 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 47308844 is about 6878.1424818042. The cubic root of 47308844 is about 361.6713539946.

The spelling of 47308844 in words is "forty-seven million, three hundred eight thousand, eight hundred forty-four".