4945248 has 144 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 1278720.

The previous prime is 4945243. The next prime is 4945261. The reversal of 4945248 is 8425494.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22065 + ... + 22287.

It is an arithmetic number, because the mean of its divisors is an integer number (122304).

Almost surely, 2^4945248 is an apocalyptic number.

4945248 is a gapful number since it is divisible by the number (48) 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 4945248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8805888).

4945248 is an abundant number, since it is smaller than the sum of its proper divisors (12666528).

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

4945248 is a wasteful number, since it uses less digits than its factorization.

4945248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 246 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 4945248 is about 2223.7913571196. The cubic root of 4945248 is about 170.3711384035.

The spelling of 4945248 in words is "four million, nine hundred forty-five thousand, two hundred forty-eight".