248492940 has 24 divisors (see below), whose sum is σ = 695780400. Its totient is φ = 66264768.

The previous prime is 248492921. The next prime is 248492947. The reversal of 248492940 is 49294842.

It is a junction number, because it is equal to n+sod(n) for n = 248492892 and 248492901.

It is not an unprimeable number, because it can be changed into a prime (248492947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070715 + ... + 2070834.

It is an arithmetic number, because the mean of its divisors is an integer number (28990850).

Almost surely, 2^248492940 is an apocalyptic number.

248492940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248492940 is an abundant number, since it is smaller than the sum of its proper divisors (447287460).

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

248492940 is a wasteful number, since it uses less digits than its factorization.

248492940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141561 (or 4141559 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 248492940 is about 15763.6588392416. The cubic root of 248492940 is about 628.6921216981.

The spelling of 248492940 in words is "two hundred forty-eight million, four hundred ninety-two thousand, nine hundred forty".