5661286 has 8 divisors (see below), whose sum is σ = 8636040. Its totient is φ = 2782608.

The previous prime is 5661283. The next prime is 5661287. The reversal of 5661286 is 6821665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23871 + ... + 24106.

It is an arithmetic number, because the mean of its divisors is an integer number (1079505).

Almost surely, 2^5661286 is an apocalyptic number.

5661286 is a deficient number, since it is larger than the sum of its proper divisors (2974754).

5661286 is a wasteful number, since it uses less digits than its factorization.

5661286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48038.

The product of its digits is 17280, while the sum is 34.

The square root of 5661286 is about 2379.3457083829. The cubic root of 5661286 is about 178.2262619468.

The spelling of 5661286 in words is "five million, six hundred sixty-one thousand, two hundred eighty-six".