48187644 has 12 divisors (see below), whose sum is σ = 112437864. Its totient is φ = 16062544.

The previous prime is 48187631. The next prime is 48187693. The reversal of 48187644 is 44678184.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 48187596 and 48187605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007807 + ... + 2007830.

It is an arithmetic number, because the mean of its divisors is an integer number (9369822).

Almost surely, 2^48187644 is an apocalyptic number.

It is an amenable number.

48187644 is an abundant number, since it is smaller than the sum of its proper divisors (64250220).

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

48187644 is a wasteful number, since it uses less digits than its factorization.

48187644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015644 (or 4015642 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 48187644 is about 6941.7320605163. The cubic root of 48187644 is about 363.8970747113.

The spelling of 48187644 in words is "forty-eight million, one hundred eighty-seven thousand, six hundred forty-four".