47434686 has 32 divisors (see below), whose sum is σ = 103330080. Its totient is φ = 14429184.

The previous prime is 47434669. The next prime is 47434711. The reversal of 47434686 is 68643474.

It is a super-4 number, since 4×47434686⁴ (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (3229065).

Almost surely, 2^47434686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47434686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51665040).

47434686 is an abundant number, since it is smaller than the sum of its proper divisors (55895394).

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

47434686 is a wasteful number, since it uses less digits than its factorization.

47434686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940.

The product of its digits is 387072, while the sum is 42.

The square root of 47434686 is about 6887.2843704903. The cubic root of 47434686 is about 361.9917532181.

It can be divided in two parts, 4743468 and 6, that added together give a palindrome (4743474).

The spelling of 47434686 in words is "forty-seven million, four hundred thirty-four thousand, six hundred eighty-six".