7897896 has 48 divisors (see below), whose sum is σ = 21896160. Its totient is φ = 2570400.

The previous prime is 7897873. The next prime is 7897907. The reversal of 7897896 is 6987987.

It is a super-2 number, since 2×7897896² = 124753522453632, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁴ + 8⁵ + 9 + 7⁸ + 8⁷ + 9³ + 6² .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (456170).

Almost surely, 2^7897896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7897896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10948080).

7897896 is an abundant number, since it is smaller than the sum of its proper divisors (13998264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7897896 is a wasteful number, since it uses less digits than its factorization.

7897896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606 (or 2599 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 7897896 is about 2810.3195547838. The cubic root of 7897896 is about 199.1454875756.

Subtracting from 7897896 its reverse (6987987), we obtain a palindrome (909909).

The spelling of 7897896 in words is "seven million, eight hundred ninety-seven thousand, eight hundred ninety-six".