3647456 has 12 divisors (see below), whose sum is σ = 7180992. Its totient is φ = 1823712.

The previous prime is 3647431. The next prime is 3647459. The reversal of 3647456 is 6547463.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3647459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56960 + ... + 57023.

It is an arithmetic number, because the mean of its divisors is an integer number (598416).

Almost surely, 2^3647456 is an apocalyptic number.

It is an amenable number.

3647456 is a deficient number, since it is larger than the sum of its proper divisors (3533536).

3647456 is a wasteful number, since it uses less digits than its factorization.

3647456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113993 (or 113985 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 3647456 is about 1909.8314061718. The cubic root of 3647456 is about 153.9323928801.

The spelling of 3647456 in words is "three million, six hundred forty-seven thousand, four hundred fifty-six".