3529649 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 3104640.

The previous prime is 3529637. The next prime is 3529657. The reversal of 3529649 is 9469253.

It is a cyclic number.

It is not a de Polignac number, because 3529649 - 2⁴ = 3529633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3529249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17819 + ... + 18015.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3529649 is an apocalyptic number.

It is an amenable number.

3529649 is a deficient number, since it is larger than the sum of its proper divisors (462031).

3529649 is a wasteful number, since it uses less digits than its factorization.

3529649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 58320, while the sum is 38.

The square root of 3529649 is about 1878.7360112586. The cubic root of 3529649 is about 152.2569666509.

It can be divided in two parts, 352 and 9649, that added together give a palindrome (10001).

The spelling of 3529649 in words is "three million, five hundred twenty-nine thousand, six hundred forty-nine".