7896217 has 4 divisors (see below), whose sum is σ = 9024256. Its totient is φ = 6768180.

The previous prime is 7896197. The next prime is 7896233. The reversal of 7896217 is 7126987.

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.

It is a cyclic number.

It is not a de Polignac number, because 7896217 - 2⁷ = 7896089 is a prime.

It is a super-2 number, since 2×7896217² = 124700485822178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7896217.

It is not an unprimeable number, because it can be changed into a prime (7896277) 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, 564009 + ... + 564022.

It is an arithmetic number, because the mean of its divisors is an integer number (2256064).

Almost surely, 2^7896217 is an apocalyptic number.

It is an amenable number.

7896217 is a deficient number, since it is larger than the sum of its proper divisors (1128039).

7896217 is a wasteful number, since it uses less digits than its factorization.

7896217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128038.

The product of its digits is 42336, while the sum is 40.

The square root of 7896217 is about 2810.0208184282. The cubic root of 7896217 is about 199.1313745776.

The spelling of 7896217 in words is "seven million, eight hundred ninety-six thousand, two hundred seventeen".