47087244 has 60 divisors (see below), whose sum is σ = 129591000. Its totient is φ = 14867712.

The previous prime is 47087231. The next prime is 47087281. The reversal of 47087244 is 44278074.

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

It is a junction number, because it is equal to n+sod(n) for n = 47087199 and 47087208.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2332 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (2159850).

Almost surely, 2^47087244 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 47087244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64795500).

47087244 is an abundant number, since it is smaller than the sum of its proper divisors (82503756).

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

47087244 is a wasteful number, since it uses less digits than its factorization.

47087244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684 (or 7673 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 47087244 is about 6862.0145729953. The cubic root of 47087244 is about 361.1057667445.

The spelling of 47087244 in words is "forty-seven million, eighty-seven thousand, two hundred forty-four".