47834436 has 72 divisors (see below), whose sum is σ = 122566080. Its totient is φ = 14511744.

The previous prime is 47834429. The next prime is 47834453. The reversal of 47834436 is 63443874.

47834436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 47834394 and 47834403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208770 + ... + 208998.

Almost surely, 2^47834436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47834436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61283040).

47834436 is an abundant number, since it is smaller than the sum of its proper divisors (74731644).

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

47834436 is a wasteful number, since it uses less digits than its factorization.

47834436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 350 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 47834436 is about 6916.2443565854. The cubic root of 47834436 is about 363.0057903439.

The spelling of 47834436 in words is "forty-seven million, eight hundred thirty-four thousand, four hundred thirty-six".