7897344 has 144 divisors (see below), whose sum is σ = 26097792. Its totient is φ = 2064384.

The previous prime is 7897339. The next prime is 7897387. The reversal of 7897344 is 4437987.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 7⁵ + 8⁷ + 9 + 7⁸ + 3⁷ + 4 + 4⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 7897296 and 7897305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69832 + ... + 69944.

Almost surely, 2^7897344 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 7897344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13048896).

7897344 is an abundant number, since it is smaller than the sum of its proper divisors (18200448).

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

7897344 is a wasteful number, since it uses less digits than its factorization.

7897344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 138 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 7897344 is about 2810.2213435956. The cubic root of 7897344 is about 199.1408479065.

The spelling of 7897344 in words is "seven million, eight hundred ninety-seven thousand, three hundred forty-four".