242928 has 60 divisors (see below), whose sum is σ = 780208. Its totient is φ = 69120.

The previous prime is 242927. The next prime is 242971. The reversal of 242928 is 829242.

242928 is nontrivially palindromic in base 5.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

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 (242923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888 + ... + 1128.

2²⁴²⁹²⁸ is an apocalyptic number.

242928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390104).

242928 is an abundant number, since it is smaller than the sum of its proper divisors (537280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242928 is a wasteful number, since it uses less digits than its factorization.

242928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 253 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 242928 is about 492.8772666699. The cubic root of 242928 is about 62.3963508714.

The spelling of 242928 in words is "two hundred forty-two thousand, nine hundred twenty-eight".