49387660 has 48 divisors (see below), whose sum is σ = 119246400. Its totient is φ = 16830720.

The previous prime is 49387651. The next prime is 49387691. The reversal of 49387660 is 6678394.

It is a happy number.

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, 24366 + ... + 26314.

It is an arithmetic number, because the mean of its divisors is an integer number (2484300).

Almost surely, 2^49387660 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 49387660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59623200).

49387660 is an abundant number, since it is smaller than the sum of its proper divisors (69858740).

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

49387660 is a wasteful number, since it uses less digits than its factorization.

49387660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2144 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 49387660 is about 7027.6354487125. The cubic root of 49387660 is about 366.8930484481.

The spelling of 49387660 in words is "forty-nine million, three hundred eighty-seven thousand, six hundred sixty".