3649463 has 8 divisors (see below), whose sum is σ = 3862320. Its totient is φ = 3438720.

The previous prime is 3649417. The next prime is 3649469.

It is a happy number.

3649463 is nontrivially palindromic in base 10.

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 3649463 - 2⁸ = 3649207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 4977.

It is an arithmetic number, because the mean of its divisors is an integer number (482790).

Almost surely, 2^3649463 is an apocalyptic number.

3649463 is a deficient number, since it is larger than the sum of its proper divisors (212857).

3649463 is a wasteful number, since it uses less digits than its factorization.

3649463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 46656, while the sum is 35.

The square root of 3649463 is about 1910.3567729615. The cubic root of 3649463 is about 153.9606212915.

The spelling of 3649463 in words is "three million, six hundred forty-nine thousand, four hundred sixty-three".