7985428 has 24 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 3590400.

The previous prime is 7985423. The next prime is 7985429. The reversal of 7985428 is 8245897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7985423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (642096).

Almost surely, 2^7985428 is an apocalyptic number.

It is an amenable number.

7985428 is a deficient number, since it is larger than the sum of its proper divisors (7424876).

7985428 is a wasteful number, since it uses less digits than its factorization.

7985428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 7985428 is about 2825.8499606313. The cubic root of 7985428 is about 199.8784928617.

It can be divided in two parts, 798 and 5428, that added together give a palindrome (6226).

The spelling of 7985428 in words is "seven million, nine hundred eighty-five thousand, four hundred twenty-eight".