6290689 has 4 divisors (see below), whose sum is σ = 6297156. Its totient is φ = 6284224.

The previous prime is 6290681. The next prime is 6290693. The reversal of 6290689 is 9860926.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 3122289 = 1780^2 + 1767^2 .

It is a cyclic number.

It is not a de Polignac number, because 6290689 - 2³ = 6290681 is a prime.

It is an Ulam number.

It is a Duffinian number.

6290689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6290681) 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, 1444 + ... + 3829.

It is an arithmetic number, because the mean of its divisors is an integer number (1574289).

Almost surely, 2^6290689 is an apocalyptic number.

It is an amenable number.

6290689 is a deficient number, since it is larger than the sum of its proper divisors (6467).

6290689 is a wasteful number, since it uses less digits than its factorization.

6290689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 6290689 is about 2508.1245981809. The cubic root of 6290689 is about 184.6004427588.

The spelling of 6290689 in words is "six million, two hundred ninety thousand, six hundred eighty-nine".