5787861 has 4 divisors (see below), whose sum is σ = 7717152. Its totient is φ = 3858572.

The previous prime is 5787851. The next prime is 5787869. The reversal of 5787861 is 1687875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5787861 - 2⁵ = 5787829 is a prime.

It is a D-number.

It is a Curzon number.

5787861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5787869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964641 + ... + 964646.

It is an arithmetic number, because the mean of its divisors is an integer number (1929288).

Almost surely, 2^5787861 is an apocalyptic number.

It is an amenable number.

5787861 is a deficient number, since it is larger than the sum of its proper divisors (1929291).

5787861 is a wasteful number, since it uses less digits than its factorization.

5787861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929290.

The product of its digits is 94080, while the sum is 42.

The square root of 5787861 is about 2405.7973730138. The cubic root of 5787861 is about 179.5447446020.

The spelling of 5787861 in words is "five million, seven hundred eighty-seven thousand, eight hundred sixty-one".