3649130 has 16 divisors (see below), whose sum is σ = 6635304. Its totient is φ = 1444800.

The previous prime is 3649097. The next prime is 3649133. The reversal of 3649130 is 319463.

It can be written as a sum of positive squares in 4 ways, for example, as 2647129 + 1002001 = 1627^2 + 1001^2 .

It is a super-2 number, since 2×3649130² = 26632299513800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3649130.

It is not an unprimeable number, because it can be changed into a prime (3649133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797 + ... + 2816.

Almost surely, 2^3649130 is an apocalyptic number.

3649130 is a deficient number, since it is larger than the sum of its proper divisors (2986174).

3649130 is a wasteful number, since it uses less digits than its factorization.

3649130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3649130 is about 1910.2696144785. The cubic root of 3649130 is about 153.9559383700.

The spelling of 3649130 in words is "three million, six hundred forty-nine thousand, one hundred thirty".