47843428 has 12 divisors (see below), whose sum is σ = 84096432. Its totient is φ = 23815880.

The previous prime is 47843413. The next prime is 47843429. The reversal of 47843428 is 82434874.

It is not an unprimeable number, because it can be changed into a prime (47843429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25438 + ... + 27253.

It is an arithmetic number, because the mean of its divisors is an integer number (7008036).

Almost surely, 2^47843428 is an apocalyptic number.

It is an amenable number.

47843428 is a deficient number, since it is larger than the sum of its proper divisors (36253004).

47843428 is a wasteful number, since it uses less digits than its factorization.

47843428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52922 (or 52920 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 47843428 is about 6916.8943898255. The cubic root of 47843428 is about 363.0285350709.

The spelling of 47843428 in words is "forty-seven million, eight hundred forty-three thousand, four hundred twenty-eight".