5805987 has 8 divisors (see below), whose sum is σ = 8445120. Its totient is φ = 3518760.

The previous prime is 5805977. The next prime is 5805997. The reversal of 5805987 is 7895085.

It is an interprime number because it is at equal distance from previous prime (5805977) and next prime (5805997).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5805987 - 2⁷ = 5805859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5805907) 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, 87937 + ... + 88002.

It is an arithmetic number, because the mean of its divisors is an integer number (1055640).

Almost surely, 2^5805987 is an apocalyptic number.

5805987 is a deficient number, since it is larger than the sum of its proper divisors (2639133).

5805987 is a wasteful number, since it uses less digits than its factorization.

5805987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175953.

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 5805987 is about 2409.5615783789. The cubic root of 5805987 is about 179.7319776525.

The spelling of 5805987 in words is "five million, eight hundred five thousand, nine hundred eighty-seven".