248140838 has 16 divisors (see below), whose sum is σ = 406846800. Its totient is φ = 112569600.

The previous prime is 248140819. The next prime is 248140877. The reversal of 248140838 is 838041842.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 638 + ... + 22286.

It is an arithmetic number, because the mean of its divisors is an integer number (25427925).

Almost surely, 2^248140838 is an apocalyptic number.

248140838 is a deficient number, since it is larger than the sum of its proper divisors (158705962).

248140838 is a wasteful number, since it uses less digits than its factorization.

248140838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 248140838 is about 15752.4867243239. The cubic root of 248140838 is about 628.3950396300.

The spelling of 248140838 in words is "two hundred forty-eight million, one hundred forty thousand, eight hundred thirty-eight".