5890666 has 4 divisors (see below), whose sum is σ = 8836002. Its totient is φ = 2945332.

The previous prime is 5890663. The next prime is 5890667. The reversal of 5890666 is 6660985.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5359225 + 531441 = 2315^2 + 729^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5890663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472665 + ... + 1472668.

Almost surely, 2^5890666 is an apocalyptic number.

5890666 is a deficient number, since it is larger than the sum of its proper divisors (2945336).

5890666 is a wasteful number, since it uses less digits than its factorization.

5890666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945335.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 5890666 is about 2427.0694262835. The cubic root of 5890666 is about 180.6015471040.

It can be divided in two parts, 5890 and 666, that added together give a palindrome (6556).

The spelling of 5890666 in words is "five million, eight hundred ninety thousand, six hundred sixty-six".