248647620 has 96 divisors (see below), whose sum is σ = 754145280. Its totient is φ = 60848640.

The previous prime is 248647603. The next prime is 248647631. The reversal of 248647620 is 26746842.

248647620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148146 + ... + 149814.

It is an arithmetic number, because the mean of its divisors is an integer number (7855680).

Almost surely, 2^248647620 is an apocalyptic number.

248647620 is a gapful number since it is divisible by the number (20) 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 248647620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377072640).

248647620 is an abundant number, since it is smaller than the sum of its proper divisors (505497660).

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

248647620 is a wasteful number, since it uses less digits than its factorization.

248647620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 248647620 is about 15768.5642973607. The cubic root of 248647620 is about 628.8225424747.

The spelling of 248647620 in words is "two hundred forty-eight million, six hundred forty-seven thousand, six hundred twenty".