7897469 has 4 divisors (see below), whose sum is σ = 8362044. Its totient is φ = 7432896.

The previous prime is 7897453. The next prime is 7897471. The reversal of 7897469 is 9647987.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6061444 + 1836025 = 2462^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 7897469 - 2⁴ = 7897453 is a prime.

It is a super-2 number, since 2×7897469² = 124740033211922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897499) 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, 232262 + ... + 232295.

It is an arithmetic number, because the mean of its divisors is an integer number (2090511).

Almost surely, 2^7897469 is an apocalyptic number.

It is an amenable number.

7897469 is a deficient number, since it is larger than the sum of its proper divisors (464575).

7897469 is a wasteful number, since it uses less digits than its factorization.

7897469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464574.

The product of its digits is 762048, while the sum is 50.

The square root of 7897469 is about 2810.2435837486. The cubic root of 7897469 is about 199.1418985752.

The spelling of 7897469 in words is "seven million, eight hundred ninety-seven thousand, four hundred sixty-nine".