6916457 has 4 divisors (see below), whose sum is σ = 6994260. Its totient is φ = 6838656.

The previous prime is 6916453. The next prime is 6916489. The reversal of 6916457 is 7546196.

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 2298256 + 4618201 = 1516^2 + 2149^2 .

It is a cyclic number.

It is not a de Polignac number, because 6916457 - 2² = 6916453 is a prime.

It is an Ulam number.

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 6916457.

It is not an unprimeable number, because it can be changed into a prime (6916451) 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 3 ways as a sum of consecutive naturals, for example, 38768 + ... + 38945.

It is an arithmetic number, because the mean of its divisors is an integer number (1748565).

Almost surely, 2^6916457 is an apocalyptic number.

It is an amenable number.

6916457 is a deficient number, since it is larger than the sum of its proper divisors (77803).

6916457 is an equidigital number, since it uses as much as digits as its factorization.

6916457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77802.

The product of its digits is 45360, while the sum is 38.

The square root of 6916457 is about 2629.9157781191. The cubic root of 6916457 is about 190.5290609950.

The spelling of 6916457 in words is "six million, nine hundred sixteen thousand, four hundred fifty-seven".