248340838 has 4 divisors (see below), whose sum is σ = 372511260. Its totient is φ = 124170418.

The previous prime is 248340803. The next prime is 248340847. The reversal of 248340838 is 838043842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838043842 = 2 ⋅419021921.

It is a self number, because there is not a number n which added to its sum of digits gives 248340838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62085208 + ... + 62085211.

It is an arithmetic number, because the mean of its divisors is an integer number (93127815).

Almost surely, 2^248340838 is an apocalyptic number.

248340838 is a deficient number, since it is larger than the sum of its proper divisors (124170422).

248340838 is a wasteful number, since it uses less digits than its factorization.

248340838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124170421.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 248340838 is about 15758.8336497344. The cubic root of 248340838 is about 628.5638218137.

The spelling of 248340838 in words is "two hundred forty-eight million, three hundred forty thousand, eight hundred thirty-eight".