7920284 has 12 divisors (see below), whose sum is σ = 13889064. Its totient is φ = 3951984.

The previous prime is 7920259. The next prime is 7920287. The reversal of 7920284 is 4820297.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7920284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7920287) 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, 494 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (1157422).

Almost surely, 2^7920284 is an apocalyptic number.

It is an amenable number.

7920284 is a deficient number, since it is larger than the sum of its proper divisors (5968780).

7920284 is a wasteful number, since it uses less digits than its factorization.

7920284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7920284 is about 2814.2999129446. The cubic root of 7920284 is about 199.3334812311. Note that the first 3 decimals are identical.

The spelling of 7920284 in words is "seven million, nine hundred twenty thousand, two hundred eighty-four".