248269989 has 32 divisors (see below), whose sum is σ = 384511104. Its totient is φ = 140820480.

The previous prime is 248269969. The next prime is 248269991. The reversal of 248269989 is 989962842.

248269989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 248269989 - 2²¹ = 246172837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248269969) 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, 107127 + ... + 109419.

It is an arithmetic number, because the mean of its divisors is an integer number (12015972).

Almost surely, 2^248269989 is an apocalyptic number.

It is an amenable number.

248269989 is a deficient number, since it is larger than the sum of its proper divisors (136241115).

248269989 is a wasteful number, since it uses less digits than its factorization.

248269989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517.

The product of its digits is 4478976, while the sum is 57.

The square root of 248269989 is about 15756.5855755617. The cubic root of 248269989 is about 628.5040419373.

The spelling of 248269989 in words is "two hundred forty-eight million, two hundred sixty-nine thousand, nine hundred eighty-nine".