47631948 has 96 divisors (see below), whose sum is σ = 139539456. Its totient is φ = 12310272.

The previous prime is 47631931. The next prime is 47631953. The reversal of 47631948 is 84913674.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57465 + ... + 58287.

It is an arithmetic number, because the mean of its divisors is an integer number (1453536).

Almost surely, 2^47631948 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 47631948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69769728).

47631948 is an abundant number, since it is smaller than the sum of its proper divisors (91907508).

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

47631948 is a wasteful number, since it uses less digits than its factorization.

47631948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 901 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 47631948 is about 6901.5902515290. The cubic root of 47631948 is about 362.4928524948.

The spelling of 47631948 in words is "forty-seven million, six hundred thirty-one thousand, nine hundred forty-eight".