7828242 has 8 divisors (see below), whose sum is σ = 15656496. Its totient is φ = 2609412.

The previous prime is 7828237. The next prime is 7828243. The reversal of 7828242 is 2428287.

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

7828242 is an admirable number.

It is a super-2 number, since 2×7828242² = 122562745621128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7828243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652348 + ... + 652359.

It is an arithmetic number, because the mean of its divisors is an integer number (1957062).

Almost surely, 2^7828242 is an apocalyptic number.

7828242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7828242 is a wasteful number, since it uses less digits than its factorization.

7828242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304712.

The product of its digits is 14336, while the sum is 33.

The square root of 7828242 is about 2797.8995693198. The cubic root of 7828242 is about 198.5583160407.

The spelling of 7828242 in words is "seven million, eight hundred twenty-eight thousand, two hundred forty-two".