248619 has 8 divisors (see below), whose sum is σ = 378880. Its totient is φ = 142056.

The previous prime is 248609. The next prime is 248621. The reversal of 248619 is 916842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 248619 - 2⁵ = 248587 is a prime.

It is a super-2 number, since 2×248619² = 123622814322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

248619 is a lucky number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (248609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5899 + ... + 5940.

It is an arithmetic number, because the mean of its divisors is an integer number (47360).

2²⁴⁸⁶¹⁹ is an apocalyptic number.

248619 is a deficient number, since it is larger than the sum of its proper divisors (130261).

248619 is a wasteful number, since it uses less digits than its factorization.

248619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849.

The product of its digits is 3456, while the sum is 30.

The square root of 248619 is about 498.6170875532. The cubic root of 248619 is about 62.8798415169.

The spelling of 248619 in words is "two hundred forty-eight thousand, six hundred nineteen".