47643804 has 108 divisors (see below), whose sum is σ = 134289792. Its totient is φ = 14227200.

The previous prime is 47643797. The next prime is 47643829. The reversal of 47643804 is 40834674.

47643804 is a `hidden beast` number, since 4 + 7 + 643 + 8 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 249349 + ... + 249539.

It is an arithmetic number, because the mean of its divisors is an integer number (1243424).

Almost surely, 2^47643804 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 47643804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67144896).

47643804 is an abundant number, since it is smaller than the sum of its proper divisors (86645988).

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

47643804 is a wasteful number, since it uses less digits than its factorization.

47643804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 47643804 is about 6902.4491305623. The cubic root of 47643804 is about 362.5229258588.

The spelling of 47643804 in words is "forty-seven million, six hundred forty-three thousand, eight hundred four".