7828424 has 16 divisors (see below), whose sum is σ = 14709120. Its totient is φ = 3906000.

The previous prime is 7828421. The next prime is 7828427. The reversal of 7828424 is 4248287.

It is an interprime number because it is at equal distance from previous prime (7828421) and next prime (7828427).

It is a super-2 number, since 2×7828424² = 122568444647552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7828421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5357 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (919320).

Almost surely, 2^7828424 is an apocalyptic number.

It is an amenable number.

7828424 is a deficient number, since it is larger than the sum of its proper divisors (6880696).

7828424 is a wasteful number, since it uses less digits than its factorization.

7828424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2056 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 7828424 is about 2797.9320935291. The cubic root of 7828424 is about 198.5598547997.

The spelling of 7828424 in words is "seven million, eight hundred twenty-eight thousand, four hundred twenty-four".