7988471 has 4 divisors (see below), whose sum is σ = 7998000. Its totient is φ = 7978944.

The previous prime is 7988459. The next prime is 7988473. The reversal of 7988471 is 1748897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1748897 = 23 ⋅76039.

It is a cyclic number.

It is not a de Polignac number, because 7988471 - 2¹⁴ = 7972087 is a prime.

It is a super-3 number, since 3×7988471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7988473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (1999500).

Almost surely, 2^7988471 is an apocalyptic number.

7988471 is a deficient number, since it is larger than the sum of its proper divisors (9529).

7988471 is an equidigital number, since it uses as much as digits as its factorization.

7988471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9528.

The product of its digits is 112896, while the sum is 44.

The square root of 7988471 is about 2826.3883314223. The cubic root of 7988471 is about 199.9038788110.

The spelling of 7988471 in words is "seven million, nine hundred eighty-eight thousand, four hundred seventy-one".