248428 has 12 divisors (see below), whose sum is σ = 438480. Its totient is φ = 123152.

The previous prime is 248407. The next prime is 248431. The reversal of 248428 is 824842.

It is a junction number, because it is equal to n+sod(n) for n = 248396 and 248405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2²⁴⁸⁴²⁸ is an apocalyptic number.

It is an amenable number.

248428 is a deficient number, since it is larger than the sum of its proper divisors (190052).

248428 is a wasteful number, since it uses less digits than its factorization.

248428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

The square root of 248428 is about 498.4255210159. The cubic root of 248428 is about 62.8637350426.

It can be divided in two parts, 248 and 428, that added together give a palindrome (676).

The spelling of 248428 in words is "two hundred forty-eight thousand, four hundred twenty-eight".