3647361 has 4 divisors (see below), whose sum is σ = 4863152. Its totient is φ = 2431572.

The previous prime is 3647353. The next prime is 3647377. The reversal of 3647361 is 1637463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3647361 - 2³ = 3647353 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3647381) 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, 607891 + ... + 607896.

It is an arithmetic number, because the mean of its divisors is an integer number (1215788).

Almost surely, 2^3647361 is an apocalyptic number.

It is an amenable number.

3647361 is a deficient number, since it is larger than the sum of its proper divisors (1215791).

3647361 is a wasteful number, since it uses less digits than its factorization.

3647361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215790.

The product of its digits is 9072, while the sum is 30.

The square root of 3647361 is about 1909.8065347045. The cubic root of 3647361 is about 153.9310564505.

The spelling of 3647361 in words is "three million, six hundred forty-seven thousand, three hundred sixty-one".