48278384 has 80 divisors (see below), whose sum is σ = 117849600. Its totient is φ = 18612480.

The previous prime is 48278383. The next prime is 48278387. The reversal of 48278384 is 48387284.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48278383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183437 + ... + 183699.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 2^48278384 is an apocalyptic number.

48278384 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48278384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58924800).

48278384 is an abundant number, since it is smaller than the sum of its proper divisors (69571216).

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

48278384 is a wasteful number, since it uses less digits than its factorization.

48278384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 432 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 48278384 is about 6948.2648193632. The cubic root of 48278384 is about 364.1253442655.

Subtracting 48278384 from its reverse (48387284), we obtain a square (108900 = 330²).

The spelling of 48278384 in words is "forty-eight million, two hundred seventy-eight thousand, three hundred eighty-four".