47689900 has 36 divisors (see below), whose sum is σ = 104477688. Its totient is φ = 18893440.

The previous prime is 47689843. The next prime is 47689903. The reversal of 47689900 is 998674.

It is not an unprimeable number, because it can be changed into a prime (47689903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8472 + ... + 12928.

It is an arithmetic number, because the mean of its divisors is an integer number (2902158).

Almost surely, 2^47689900 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 47689900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52238844).

47689900 is an abundant number, since it is smaller than the sum of its proper divisors (56787788).

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

47689900 is a wasteful number, since it uses less digits than its factorization.

47689900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578 (or 4571 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 47689900 is about 6905.7874279477. The cubic root of 47689900 is about 362.6398033886.

The spelling of 47689900 in words is "forty-seven million, six hundred eighty-nine thousand, nine hundred".