7850028 has 12 divisors (see below), whose sum is σ = 18316760. Its totient is φ = 2616672.

The previous prime is 7849999. The next prime is 7850033. The reversal of 7850028 is 8200587.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 7849977 and 7850004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327073 + ... + 327096.

Almost surely, 2^7850028 is an apocalyptic number.

It is an amenable number.

7850028 is an abundant number, since it is smaller than the sum of its proper divisors (10466732).

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

7850028 is a wasteful number, since it uses less digits than its factorization.

7850028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654176 (or 654174 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 7850028 is about 2801.7901420342. The cubic root of 7850028 is about 198.7423413844.

The spelling of 7850028 in words is "seven million, eight hundred fifty thousand, twenty-eight".