3649730 has 32 divisors (see below), whose sum is σ = 7952256. Its totient is φ = 1177344.

The previous prime is 3649699. The next prime is 3649741. The reversal of 3649730 is 379463.

3649730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (248508).

Almost surely, 2^3649730 is an apocalyptic number.

3649730 is an abundant number, since it is smaller than the sum of its proper divisors (4302526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3649730 is a wasteful number, since it uses less digits than its factorization.

3649730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3649730 is about 1910.4266539179. The cubic root of 3649730 is about 153.9643758606.

The spelling of 3649730 in words is "three million, six hundred forty-nine thousand, seven hundred thirty".