5801861 has 16 divisors (see below), whose sum is σ = 6519744. Its totient is φ = 5128704.

The previous prime is 5801849. The next prime is 5801863. The reversal of 5801861 is 1681085.

It is a cyclic number.

It is not a de Polignac number, because 5801861 - 2⁶ = 5801797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 54170 + ... + 54276.

It is an arithmetic number, because the mean of its divisors is an integer number (407484).

Almost surely, 2^5801861 is an apocalyptic number.

5801861 is the 1391-st octagonal number.

It is an amenable number.

5801861 is a deficient number, since it is larger than the sum of its proper divisors (717883).

5801861 is a wasteful number, since it uses less digits than its factorization.

5801861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 5801861 is about 2408.7052538657. The cubic root of 5801861 is about 179.6893923077.

The spelling of 5801861 in words is "five million, eight hundred one thousand, eight hundred sixty-one".