248778404 has 12 divisors (see below), whose sum is σ = 497556864. Its totient is φ = 106619304.

The previous prime is 248778403. The next prime is 248778469. The reversal of 248778404 is 404877842.

248778404 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (248778403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442444 + ... + 4442499.

It is an arithmetic number, because the mean of its divisors is an integer number (41463072).

Almost surely, 2^248778404 is an apocalyptic number.

It is an amenable number.

248778404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

248778404 is a wasteful number, since it uses less digits than its factorization.

248778404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884954 (or 8884952 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 44.

The square root of 248778404 is about 15772.7107372195. The cubic root of 248778404 is about 628.9327727848.

The spelling of 248778404 in words is "two hundred forty-eight million, seven hundred seventy-eight thousand, four hundred four".