248939340 has 96 divisors (see below), whose sum is σ = 753392640. Its totient is φ = 61053696.

The previous prime is 248939333. The next prime is 248939351. The reversal of 248939340 is 43939842.

It is a happy number.

248939340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 248939292 and 248939301.

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, 342057 + ... + 342783.

It is an arithmetic number, because the mean of its divisors is an integer number (7847840).

Almost surely, 2^248939340 is an apocalyptic number.

248939340 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 248939340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376696320).

248939340 is an abundant number, since it is smaller than the sum of its proper divisors (504453300).

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

248939340 is a wasteful number, since it uses less digits than its factorization.

248939340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 248939340 is about 15777.8116353314. The cubic root of 248939340 is about 629.0683634749.

The spelling of 248939340 in words is "two hundred forty-eight million, nine hundred thirty-nine thousand, three hundred forty".