5661486 has 12 divisors (see below), whose sum is σ = 12266592. Its totient is φ = 1887156.

The previous prime is 5661457. The next prime is 5661497. The reversal of 5661486 is 6841665.

5661486 is a `hidden beast` number, since 566 + 14 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5661486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157246 + ... + 157281.

It is an arithmetic number, because the mean of its divisors is an integer number (1022216).

Almost surely, 2^5661486 is an apocalyptic number.

5661486 is an abundant number, since it is smaller than the sum of its proper divisors (6605106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5661486 is a wasteful number, since it uses less digits than its factorization.

5661486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314535 (or 314532 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5661486 is about 2379.3877363725. The cubic root of 5661486 is about 178.2283606945.

The spelling of 5661486 in words is "five million, six hundred sixty-one thousand, four hundred eighty-six".