47242884 has 48 divisors (see below), whose sum is σ = 122554880. Its totient is φ = 14065920.

The previous prime is 47242879. The next prime is 47242901. The reversal of 47242884 is 48824274.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49 + ... + 9720.

Almost surely, 2^47242884 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 47242884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61277440).

47242884 is an abundant number, since it is smaller than the sum of its proper divisors (75311996).

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

47242884 is a wasteful number, since it uses less digits than its factorization.

47242884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820 (or 9818 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 47242884 is about 6873.3459101081. The cubic root of 47242884 is about 361.5031899613.

The spelling of 47242884 in words is "forty-seven million, two hundred forty-two thousand, eight hundred eighty-four".