248774438 has 8 divisors (see below), whose sum is σ = 407085480. Its totient is φ = 113079280.

The previous prime is 248774401. The next prime is 248774459. The reversal of 248774438 is 834477842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 248774392 and 248774401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653943 + ... + 5653986.

It is an arithmetic number, because the mean of its divisors is an integer number (50885685).

Almost surely, 2^248774438 is an apocalyptic number.

248774438 is a deficient number, since it is larger than the sum of its proper divisors (158311042).

248774438 is a wasteful number, since it uses less digits than its factorization.

248774438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11307942.

The product of its digits is 1204224, while the sum is 47.

The square root of 248774438 is about 15772.5850132437. The cubic root of 248774438 is about 628.9294306396.

The spelling of 248774438 in words is "two hundred forty-eight million, seven hundred seventy-four thousand, four hundred thirty-eight".