47394648 has 96 divisors (see below), whose sum is σ = 147663360. Its totient is φ = 13452480.

The previous prime is 47394637. The next prime is 47394653. The reversal of 47394648 is 84649374.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136411 + ... + 136757.

It is an arithmetic number, because the mean of its divisors is an integer number (1538160).

Almost surely, 2^47394648 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 47394648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73831680).

47394648 is an abundant number, since it is smaller than the sum of its proper divisors (100268712).

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

47394648 is a wasteful number, since it uses less digits than its factorization.

47394648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 630 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 47394648 is about 6884.3770960051. The cubic root of 47394648 is about 361.8898762531.

The spelling of 47394648 in words is "forty-seven million, three hundred ninety-four thousand, six hundred forty-eight".