6554690 has 16 divisors (see below), whose sum is σ = 12492792. Its totient is φ = 2467584.

The previous prime is 6554689. The next prime is 6554699. The reversal of 6554690 is 964556.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5536609 + 1018081 = 2353^2 + 1009^2 .

It is a super-2 number, since 2×6554690² = 85927921992200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6554690.

It is not an unprimeable number, because it can be changed into a prime (6554699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19109 + ... + 19448.

Almost surely, 2^6554690 is an apocalyptic number.

6554690 is a deficient number, since it is larger than the sum of its proper divisors (5938102).

6554690 is a wasteful number, since it uses less digits than its factorization.

6554690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38581.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6554690 is about 2560.2128817737. The cubic root of 6554690 is about 187.1475096032.

The spelling of 6554690 in words is "six million, five hundred fifty-four thousand, six hundred ninety".