248986 has 4 divisors (see below), whose sum is σ = 373482. Its totient is φ = 124492.

The previous prime is 248981. The next prime is 248987. The reversal of 248986 is 689842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689842 = 2 ⋅344921.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 32761 = 465^2 + 181^2 .

It is not an unprimeable number, because it can be changed into a prime (248981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62245 + ... + 62248.

2²⁴⁸⁹⁸⁶ is an apocalyptic number.

248986 is a deficient number, since it is larger than the sum of its proper divisors (124496).

248986 is a wasteful number, since it uses less digits than its factorization.

248986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124495.

The product of its digits is 27648, while the sum is 37.

The square root of 248986 is about 498.9849697135. The cubic root of 248986 is about 62.9107664209.

The spelling of 248986 in words is "two hundred forty-eight thousand, nine hundred eighty-six".