5801866 has 16 divisors (see below), whose sum is σ = 10067904. Its totient is φ = 2456064.

The previous prime is 5801863. The next prime is 5801881. The reversal of 5801866 is 6681085.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5801863) 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, 1335 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (629244).

Almost surely, 2^5801866 is an apocalyptic number.

5801866 is a deficient number, since it is larger than the sum of its proper divisors (4266038).

5801866 is a wasteful number, since it uses less digits than its factorization.

5801866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 5801866 is about 2408.7062917674. The cubic root of 5801866 is about 179.6894439260.

The spelling of 5801866 in words is "five million, eight hundred one thousand, eight hundred sixty-six".