248618 has 4 divisors (see below), whose sum is σ = 372930. Its totient is φ = 124308.

The previous prime is 248609. The next prime is 248621. The reversal of 248618 is 816842.

248618 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 237169 + 11449 = 487^2 + 107^2 .

It is a nialpdrome in base 12.

It is an unprimeable number.

248618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62153 + ... + 62156.

2²⁴⁸⁶¹⁸ is an apocalyptic number.

248618 is a deficient number, since it is larger than the sum of its proper divisors (124312).

248618 is a wasteful number, since it uses less digits than its factorization.

248618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124311.

The product of its digits is 3072, while the sum is 29.

The square root of 248618 is about 498.6160847787. The cubic root of 248618 is about 62.8797572113.

The spelling of 248618 in words is "two hundred forty-eight thousand, six hundred eighteen".