3643479 has 24 divisors (see below), whose sum is σ = 6070272. Its totient is φ = 2062800.

The previous prime is 3643477. The next prime is 3643481. The reversal of 3643479 is 9743463.

3643479 is a `hidden beast` number, since 3 + 643 + 4 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (3643477) and next prime (3643481).

It is not a de Polignac number, because 3643479 - 2¹ = 3643477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643477) 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 in 23 ways as a sum of consecutive naturals, for example, 9322 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (252928).

Almost surely, 2^3643479 is an apocalyptic number.

3643479 is a deficient number, since it is larger than the sum of its proper divisors (2426793).

3643479 is a wasteful number, since it uses less digits than its factorization.

3643479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 3643479 is about 1908.7899308200. The cubic root of 3643479 is about 153.8764258571.

The spelling of 3643479 in words is "three million, six hundred forty-three thousand, four hundred seventy-nine".