248790897 has 6 divisors (see below), whose sum is σ = 359364642. Its totient is φ = 165860592.

The previous prime is 248790853. The next prime is 248790901. The reversal of 248790897 is 798097842.

It can be written as a sum of positive squares in only one way, i.e., 154778481 + 94012416 = 12441^2 + 9696^2 .

It is not a de Polignac number, because 248790897 - 2⁶ = 248790833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248790827) 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 5 ways as a sum of consecutive naturals, for example, 13821708 + ... + 13821725.

It is an arithmetic number, because the mean of its divisors is an integer number (59894107).

Almost surely, 2^248790897 is an apocalyptic number.

It is an amenable number.

248790897 is a deficient number, since it is larger than the sum of its proper divisors (110573745).

248790897 is a wasteful number, since it uses less digits than its factorization.

248790897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27643439 (or 27643436 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 248790897 is about 15773.1067643632. The cubic root of 248790897 is about 628.9433003942.

The spelling of 248790897 in words is "two hundred forty-eight million, seven hundred ninety thousand, eight hundred ninety-seven".