47283456 has 144 divisors (see below), whose sum is σ = 142752960. Its totient is φ = 13762560.

The previous prime is 47283451. The next prime is 47283493. The reversal of 47283456 is 65438274.

It is a happy number.

It is a super-2 number, since 2×47283456² = 4471450422607872, which contains 22 as substring.

Its product of digits (161280) is a multiple of the sum of its prime factors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47283451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244896 + ... + 245088.

It is an arithmetic number, because the mean of its divisors is an integer number (991340).

Almost surely, 2^47283456 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 47283456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71376480).

47283456 is an abundant number, since it is smaller than the sum of its proper divisors (95469504).

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

47283456 is a wasteful number, since it uses less digits than its factorization.

47283456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 238 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 47283456 is about 6876.2966777183. The cubic root of 47283456 is about 361.6066461827.

The spelling of 47283456 in words is "forty-seven million, two hundred eighty-three thousand, four hundred fifty-six".