248493489 has 32 divisors (see below), whose sum is σ = 356352000. Its totient is φ = 153679680.

The previous prime is 248493467. The next prime is 248493491. The reversal of 248493489 is 984394842.

It is not a de Polignac number, because 248493489 - 2⁷ = 248493361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248493389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536472 + ... + 536934.

It is an arithmetic number, because the mean of its divisors is an integer number (11136000).

Almost surely, 2^248493489 is an apocalyptic number.

248493489 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

248493489 is a deficient number, since it is larger than the sum of its proper divisors (107858511).

248493489 is a wasteful number, since it uses less digits than its factorization.

248493489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 1990656, while the sum is 51.

The square root of 248493489 is about 15763.6762527020. The cubic root of 248493489 is about 628.6925846914.

The spelling of 248493489 in words is "two hundred forty-eight million, four hundred ninety-three thousand, four hundred eighty-nine".