3439661684 has 36 divisors (see below), whose sum is σ = 6308042244. Its totient is φ = 1640994432.

The previous prime is 3439661683. The next prime is 3439661723. The reversal of 3439661684 is 4861669343.

It can be written as a sum of positive squares in 2 ways, for example, as 1687402084 + 1752259600 = 41078^2 + 41860^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3439661683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965234 + ... + 968790.

Almost surely, 2^3439661684 is an apocalyptic number.

It is an amenable number.

3439661684 is a deficient number, since it is larger than the sum of its proper divisors (2868380560).

3439661684 is a wasteful number, since it uses less digits than its factorization.

3439661684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064 (or 4039 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 50.

The square root of 3439661684 is about 58648.6290035837. The cubic root of 3439661684 is about 1509.5189737192.

The spelling of 3439661684 in words is "three billion, four hundred thirty-nine million, six hundred sixty-one thousand, six hundred eighty-four".