248245389 has 24 divisors (see below), whose sum is σ = 411615360. Its totient is φ = 141226848.

The previous prime is 248245381. The next prime is 248245409. The reversal of 248245389 is 983542842.

248245389 is a `hidden beast` number, since 24 + 8 + 245 + 389 = 666.

It is not a de Polignac number, because 248245389 - 2³ = 248245381 is a prime.

It is a super-2 number, since 2×248245389² = 123251546319522642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248245381) 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 23 ways as a sum of consecutive naturals, for example, 5824 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (17150640).

Almost surely, 2^248245389 is an apocalyptic number.

It is an amenable number.

248245389 is a deficient number, since it is larger than the sum of its proper divisors (163369971).

248245389 is a wasteful number, since it uses less digits than its factorization.

248245389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17449 (or 17446 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 248245389 is about 15755.8049302471. The cubic root of 248245389 is about 628.4832826687.

The spelling of 248245389 in words is "two hundred forty-eight million, two hundred forty-five thousand, three hundred eighty-nine".