7897338 has 60 divisors (see below), whose sum is σ = 18763470. Its totient is φ = 2479680.

The previous prime is 7897321. The next prime is 7897339. The reversal of 7897338 is 8337987.

It can be written as a sum of positive squares in 3 ways, for example, as 2712609 + 5184729 = 1647^2 + 2277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7897293 and 7897302.

It is not an unprimeable number, because it can be changed into a prime (7897339) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 192598 + ... + 192638.

Almost surely, 2^7897338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7897338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9381735).

7897338 is an abundant number, since it is smaller than the sum of its proper divisors (10866132).

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

7897338 is a wasteful number, since it uses less digits than its factorization.

7897338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 75 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 7897338 is about 2810.2202760638. The cubic root of 7897338 is about 199.1407974742.

The spelling of 7897338 in words is "seven million, eight hundred ninety-seven thousand, three hundred thirty-eight".