5646987 has 12 divisors (see below), whose sum is σ = 8201544. Its totient is φ = 3744000.

The previous prime is 5646973. The next prime is 5646997. The reversal of 5646987 is 7896465.

5646987 is a `hidden beast` number, since 564 + 6 + 9 + 87 = 666.

5646987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5646987 - 2⁷ = 5646859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5646917) 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 11 ways as a sum of consecutive naturals, for example, 112 + ... + 3362.

It is an arithmetic number, because the mean of its divisors is an integer number (683462).

Almost surely, 2^5646987 is an apocalyptic number.

5646987 is a deficient number, since it is larger than the sum of its proper divisors (2554557).

5646987 is a wasteful number, since it uses less digits than its factorization.

5646987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450 (or 3447 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 5646987 is about 2376.3389909691. The cubic root of 5646987 is about 178.0760837055.

The spelling of 5646987 in words is "five million, six hundred forty-six thousand, nine hundred eighty-seven".