6654490 has 16 divisors (see below), whose sum is σ = 12175560. Its totient is φ = 2617920.

The previous prime is 6654481. The next prime is 6654493. The reversal of 6654490 is 944566.

It can be written as a sum of positive squares in 4 ways, for example, as 2537649 + 4116841 = 1593^2 + 2029^2 .

It is not an unprimeable number, because it can be changed into a prime (6654493) 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, 4845 + ... + 6064.

Almost surely, 2^6654490 is an apocalyptic number.

6654490 is a deficient number, since it is larger than the sum of its proper divisors (5521070).

6654490 is a wasteful number, since it uses less digits than its factorization.

6654490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6654490 is about 2579.6298184042. The cubic root of 6654490 is about 188.0925491206.

The spelling of 6654490 in words is "six million, six hundred fifty-four thousand, four hundred ninety".