3930446644 has 24 divisors (see below), whose sum is σ = 6930572040. Its totient is φ = 1950314496.

The previous prime is 3930446621. The next prime is 3930446651. The reversal of 3930446644 is 4466440393.

It can be written as a sum of positive squares in 4 ways, for example, as 3920400 + 3926526244 = 1980^2 + 62662^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3930446644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580044 + ... + 586780.

It is an arithmetic number, because the mean of its divisors is an integer number (288773835).

Almost surely, 2^3930446644 is an apocalyptic number.

It is an amenable number.

3930446644 is a deficient number, since it is larger than the sum of its proper divisors (3000125396).

3930446644 is a wasteful number, since it uses less digits than its factorization.

3930446644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The square root of 3930446644 is about 62693.2743123216. The cubic root of 3930446644 is about 1578.1464462603.

The spelling of 3930446644 in words is "three billion, nine hundred thirty million, four hundred forty-six thousand, six hundred forty-four".