5785661 has 8 divisors (see below), whose sum is σ = 7001280. Its totient is φ = 4667328.

The previous prime is 5785657. The next prime is 5785669. The reversal of 5785661 is 1665875.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5785661 - 2² = 5785657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5785669) 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, 24191 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (875160).

Almost surely, 2^5785661 is an apocalyptic number.

It is an amenable number.

5785661 is a deficient number, since it is larger than the sum of its proper divisors (1215619).

5785661 is a wasteful number, since it uses less digits than its factorization.

5785661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48643.

The product of its digits is 50400, while the sum is 38.

The square root of 5785661 is about 2405.3401006926. The cubic root of 5785661 is about 179.5219930481.

It can be divided in two parts, 5785 and 661, that added together give a palindrome (6446).

The spelling of 5785661 in words is "five million, seven hundred eighty-five thousand, six hundred sixty-one".