3666463 has 4 divisors (see below), whose sum is σ = 3784768. Its totient is φ = 3548160.

The previous prime is 3666461. The next prime is 3666473. The reversal of 3666463 is 3646663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3666463 - 2¹ = 3666461 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666461) 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, 59106 + ... + 59167.

It is an arithmetic number, because the mean of its divisors is an integer number (946192).

Almost surely, 2^3666463 is an apocalyptic number.

3666463 is a deficient number, since it is larger than the sum of its proper divisors (118305).

3666463 is a wasteful number, since it uses less digits than its factorization.

3666463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118304.

The product of its digits is 46656, while the sum is 34.

The square root of 3666463 is about 1914.8010340503. The cubic root of 3666463 is about 154.1993118434.

The spelling of 3666463 in words is "three million, six hundred sixty-six thousand, four hundred sixty-three".