248631 has 8 divisors (see below), whose sum is σ = 334080. Its totient is φ = 164472.

The previous prime is 248627. The next prime is 248639. The reversal of 248631 is 136842.

It is a happy number.

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

It is not a de Polignac number, because 248631 - 2² = 248627 is a prime.

It is a super-2 number, since 2×248631² = 123634748322, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306 + ... + 768.

It is an arithmetic number, because the mean of its divisors is an integer number (41760).

2²⁴⁸⁶³¹ is an apocalyptic number.

248631 is a deficient number, since it is larger than the sum of its proper divisors (85449).

248631 is a wasteful number, since it uses less digits than its factorization.

248631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 1152, while the sum is 24.

The square root of 248631 is about 498.6291206899. The cubic root of 248631 is about 62.8808531665.

The spelling of 248631 in words is "two hundred forty-eight thousand, six hundred thirty-one".