47393892 has 288 divisors, whose sum is σ = 167311872. Its totient is φ = 10948608.

The previous prime is 47393887. The next prime is 47393893. The reversal of 47393892 is 29839374.

It is a happy number.

47393892 is a `hidden beast` number, since 473 + 93 + 8 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47393893) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1280898 + ... + 1280934.

It is an arithmetic number, because the mean of its divisors is an integer number (580944).

Almost surely, 2^47393892 is an apocalyptic number.

47393892 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47393892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83655936).

47393892 is an abundant number, since it is smaller than the sum of its proper divisors (119917980).

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

47393892 is a wasteful number, since it uses less digits than its factorization.

47393892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 102 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 47393892 is about 6884.3221888578. The cubic root of 47393892 is about 361.8879520542.

The spelling of 47393892 in words is "forty-seven million, three hundred ninety-three thousand, eight hundred ninety-two".