47256828 has 24 divisors (see below), whose sum is σ = 112831488. Its totient is φ = 15385776.

The previous prime is 47256823. The next prime is 47256851. The reversal of 47256828 is 82865274.

It is a happy number.

47256828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47256828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47256823) 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 7 ways as a sum of consecutive naturals, for example, 45276 + ... + 46307.

It is an arithmetic number, because the mean of its divisors is an integer number (4701312).

Almost surely, 2^47256828 is an apocalyptic number.

It is an amenable number.

47256828 is an abundant number, since it is smaller than the sum of its proper divisors (65574660).

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

47256828 is a wasteful number, since it uses less digits than its factorization.

47256828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91633 (or 91631 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 47256828 is about 6874.3601884103. The cubic root of 47256828 is about 361.5387530218.

It can be divided in two parts, 47256 and 828, that added together give a palindrome (48084).

The spelling of 47256828 in words is "forty-seven million, two hundred fifty-six thousand, eight hundred twenty-eight".