47843340 has 24 divisors (see below), whose sum is σ = 133961520. Its totient is φ = 12758208.

The previous prime is 47843339. The next prime is 47843347. The reversal of 47843340 is 4334874.

It is not an unprimeable number, because it can be changed into a prime (47843347) 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, 398635 + ... + 398754.

It is an arithmetic number, because the mean of its divisors is an integer number (5581730).

Almost surely, 2^47843340 is an apocalyptic number.

It is an amenable number.

47843340 is an abundant number, since it is smaller than the sum of its proper divisors (86118180).

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

47843340 is a wasteful number, since it uses less digits than its factorization.

47843340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797401 (or 797399 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 47843340 is about 6916.8880285863. Note that the first 3 decimals coincide. The cubic root of 47843340 is about 363.0283124939.

The spelling of 47843340 in words is "forty-seven million, eight hundred forty-three thousand, three hundred forty".