7984929 has 4 divisors (see below), whose sum is σ = 10646576. Its totient is φ = 5323284.

The previous prime is 7984903. The next prime is 7984931. The reversal of 7984929 is 9294897.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9294897 = 3 ⋅3098299.

It is not a de Polignac number, because 7984929 - 2⁵ = 7984897 is a prime.

It is a super-2 number, since 2×7984929² = 127518182270082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7984939) 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, 1330819 + ... + 1330824.

It is an arithmetic number, because the mean of its divisors is an integer number (2661644).

Almost surely, 2^7984929 is an apocalyptic number.

It is an amenable number.

7984929 is a deficient number, since it is larger than the sum of its proper divisors (2661647).

7984929 is a wasteful number, since it uses less digits than its factorization.

7984929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661646.

The product of its digits is 326592, while the sum is 48.

The square root of 7984929 is about 2825.7616672324. The cubic root of 7984929 is about 199.8743293844.

The spelling of 7984929 in words is "seven million, nine hundred eighty-four thousand, nine hundred twenty-nine".