7893969 has 4 divisors (see below), whose sum is σ = 10525296. Its totient is φ = 5262644.

The previous prime is 7893943. The next prime is 7893989. The reversal of 7893969 is 9693987.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9693987 = 3 ⋅3231329.

It is a cyclic number.

It is not a de Polignac number, because 7893969 - 2¹² = 7889873 is a prime.

It is a super-2 number, since 2×7893969² = 124629493145922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 8⁷ + 9⁴ + 3¹¹ + 9⁴ + 6² + 9⁷ .

It is a Curzon number.

7893969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7893989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315659 + ... + 1315664.

It is an arithmetic number, because the mean of its divisors is an integer number (2631324).

Almost surely, 2^7893969 is an apocalyptic number.

It is an amenable number.

7893969 is a deficient number, since it is larger than the sum of its proper divisors (2631327).

7893969 is a wasteful number, since it uses less digits than its factorization.

7893969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631326.

The product of its digits is 734832, while the sum is 51.

The square root of 7893969 is about 2809.6207929185. The cubic root of 7893969 is about 199.1124756619.

The spelling of 7893969 in words is "seven million, eight hundred ninety-three thousand, nine hundred sixty-nine".