5490866 has 4 divisors (see below), whose sum is σ = 8236302. Its totient is φ = 2745432.

The previous prime is 5490857. The next prime is 5490871. The reversal of 5490866 is 6680945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6680945 = 5 ⋅1336189.

It can be written as a sum of positive squares in only one way, i.e., 5193841 + 297025 = 2279^2 + 545^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1372715 + ... + 1372718.

Almost surely, 2^5490866 is an apocalyptic number.

5490866 is a deficient number, since it is larger than the sum of its proper divisors (2745436).

5490866 is a wasteful number, since it uses less digits than its factorization.

5490866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745435.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5490866 is about 2343.2596953816. The cubic root of 5490866 is about 176.4196468606.

The spelling of 5490866 in words is "five million, four hundred ninety thousand, eight hundred sixty-six".