6895090 has 8 divisors (see below), whose sum is σ = 12411180. Its totient is φ = 2758032.

The previous prime is 6895087. The next prime is 6895099. The reversal of 6895090 is 905986.

It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 88209 = 2609^2 + 297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6895090² = 95084532216200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6895099) 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, 344745 + ... + 344764.

Almost surely, 2^6895090 is an apocalyptic number.

6895090 is a deficient number, since it is larger than the sum of its proper divisors (5516090).

6895090 is a wasteful number, since it uses less digits than its factorization.

6895090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689516.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 6895090 is about 2625.8503384618. The cubic root of 6895090 is about 190.3326582284.

The spelling of 6895090 in words is "six million, eight hundred ninety-five thousand, ninety".