7883428 has 12 divisors (see below), whose sum is σ = 15766912. Its totient is φ = 3378600.

The previous prime is 7883419. The next prime is 7883429. The reversal of 7883428 is 8243887.

7883428 is an admirable number.

It is a d-powerful number, because it can be written as 7⁸ + 8³ + 8³ + 3⁹ + 4⁴ + 2²¹ + 8³ .

It is not an unprimeable number, because it can be changed into a prime (7883429) 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, 140748 + ... + 140803.

Almost surely, 2^7883428 is an apocalyptic number.

It is an amenable number.

7883428 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.

7883428 is a wasteful number, since it uses less digits than its factorization.

7883428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281562 (or 281560 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 7883428 is about 2807.7442903512. The cubic root of 7883428 is about 199.0238096811.

The spelling of 7883428 in words is "seven million, eight hundred eighty-three thousand, four hundred twenty-eight".