7997284 has 12 divisors (see below), whose sum is σ = 14603904. Its totient is φ = 3824744.

The previous prime is 7997257. The next prime is 7997303. The reversal of 7997284 is 4827997.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43372 + ... + 43555.

It is an arithmetic number, because the mean of its divisors is an integer number (1216992).

Almost surely, 2^7997284 is an apocalyptic number.

It is an amenable number.

7997284 is a deficient number, since it is larger than the sum of its proper divisors (6606620).

7997284 is a wasteful number, since it uses less digits than its factorization.

7997284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86954 (or 86952 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 7997284 is about 2827.9469584842. The cubic root of 7997284 is about 199.9773641048.

It can be divided in two parts, 7997 and 284, that added together give a square (8281 = 91²).

The spelling of 7997284 in words is "seven million, nine hundred ninety-seven thousand, two hundred eighty-four".