47786046 has 48 divisors (see below), whose sum is σ = 120070272. Its totient is φ = 12410640.

The previous prime is 47786041. The next prime is 47786059. The reversal of 47786046 is 64068774.

47786046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×47786046⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 47785989 and 47786007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47786041) by changing a digit.

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, 381 + ... + 9783.

It is an arithmetic number, because the mean of its divisors is an integer number (2501464).

Almost surely, 2^47786046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47786046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60035136).

47786046 is an abundant number, since it is smaller than the sum of its proper divisors (72284226).

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

47786046 is a wasteful number, since it uses less digits than its factorization.

47786046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437 (or 9426 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 47786046 is about 6912.7451855251. The cubic root of 47786046 is about 362.8833417603.

The spelling of 47786046 in words is "forty-seven million, seven hundred eighty-six thousand, forty-six".