47843320 has 64 divisors (see below), whose sum is σ = 123710400. Its totient is φ = 16312320.

The previous prime is 47843317. The next prime is 47843339. The reversal of 47843320 is 2334874.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67126 + ... + 67834.

It is an arithmetic number, because the mean of its divisors is an integer number (1932975).

Almost surely, 2^47843320 is an apocalyptic number.

47843320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47843320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61855200).

47843320 is an abundant number, since it is smaller than the sum of its proper divisors (75867080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47843320 is a wasteful number, since it uses less digits than its factorization.

47843320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 47843320 is about 6916.8865828493. The cubic root of 47843320 is about 363.0282619082.

The spelling of 47843320 in words is "forty-seven million, eight hundred forty-three thousand, three hundred twenty".