248946489 has 18 divisors (see below), whose sum is σ = 395252858. Its totient is φ = 150876000.

The previous prime is 248946449. The next prime is 248946497. The reversal of 248946489 is 984649842.

248946489 is a `hidden beast` number, since 24 + 89 + 464 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 246741264 + 2205225 = 15708^2 + 1485^2 .

It is not a de Polignac number, because 248946489 - 2⁸ = 248946233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248946409) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113212 + ... + 115389.

Almost surely, 2^248946489 is an apocalyptic number.

It is an amenable number.

248946489 is a deficient number, since it is larger than the sum of its proper divisors (146306369).

248946489 is a wasteful number, since it uses less digits than its factorization.

248946489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228629 (or 228615 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 248946489 is about 15778.0381860357. The cubic root of 248946489 is about 629.0743852453.

The spelling of 248946489 in words is "two hundred forty-eight million, nine hundred forty-six thousand, four hundred eighty-nine".