248797690 has 16 divisors (see below), whose sum is σ = 455427360. Its totient is φ = 97832080.

The previous prime is 248797687. The next prime is 248797691. The reversal of 248797690 is 96797842.

It is a super-2 number, since 2×248797690² = 123800581098672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248797691) 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, 210256 + ... + 211435.

It is an arithmetic number, because the mean of its divisors is an integer number (28464210).

Almost surely, 2^248797690 is an apocalyptic number.

248797690 is a deficient number, since it is larger than the sum of its proper divisors (206629670).

248797690 is a wasteful number, since it uses less digits than its factorization.

248797690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421757.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 248797690 is about 15773.3220977700. The cubic root of 248797690 is about 628.9490245760.

The spelling of 248797690 in words is "two hundred forty-eight million, seven hundred ninety-seven thousand, six hundred ninety".