8242428 has 24 divisors (see below), whose sum is σ = 20245120. Its totient is φ = 2602800.

The previous prime is 8242411. The next prime is 8242439.

8242428 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8242395 and 8242404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17848 + ... + 18303.

Almost surely, 2^8242428 is an apocalyptic number.

It is an amenable number.

8242428 is an abundant number, since it is smaller than the sum of its proper divisors (12002692).

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

8242428 is a wasteful number, since it uses less digits than its factorization.

8242428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36177 (or 36175 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 8242428 is about 2870.9629046715. The cubic root of 8242428 is about 202.0001633825. Note that the first 3 decimals are identical.

The spelling of 8242428 in words is "eight million, two hundred forty-two thousand, four hundred twenty-eight".