3649361 has 4 divisors (see below), whose sum is σ = 3653232. Its totient is φ = 3645492.

The previous prime is 3649357. The next prime is 3649363. The reversal of 3649361 is 1639463.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3649361 - 2² = 3649357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3649363) 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, 506 + ... + 2748.

It is an arithmetic number, because the mean of its divisors is an integer number (913308).

Almost surely, 2^3649361 is an apocalyptic number.

It is an amenable number.

3649361 is a deficient number, since it is larger than the sum of its proper divisors (3871).

3649361 is a wasteful number, since it uses less digits than its factorization.

3649361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870.

The product of its digits is 11664, while the sum is 32.

The square root of 3649361 is about 1910.3300761910. The cubic root of 3649361 is about 153.9591869133.

The spelling of 3649361 in words is "three million, six hundred forty-nine thousand, three hundred sixty-one".