248799489 has 4 divisors (see below), whose sum is σ = 331732656. Its totient is φ = 165866324.

The previous prime is 248799479. The next prime is 248799493. The reversal of 248799489 is 984997842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248799489 - 2⁵ = 248799457 is a prime.

It is a super-2 number, since 2×248799489² = 123802371453322242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (248799449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41466579 + ... + 41466584.

It is an arithmetic number, because the mean of its divisors is an integer number (82933164).

Almost surely, 2^248799489 is an apocalyptic number.

It is an amenable number.

248799489 is a deficient number, since it is larger than the sum of its proper divisors (82933167).

248799489 is an equidigital number, since it uses as much as digits as its factorization.

248799489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82933166.

The product of its digits is 10450944, while the sum is 60.

The square root of 248799489 is about 15773.3791243348. The cubic root of 248799489 is about 628.9505405018.

The spelling of 248799489 in words is "two hundred forty-eight million, seven hundred ninety-nine thousand, four hundred eighty-nine".