3946019720 has 16 divisors (see below), whose sum is σ = 8878544460. Its totient is φ = 1578407872.

The previous prime is 3946019711. The next prime is 3946019761. The reversal of 3946019720 is 279106493.

It can be written as a sum of positive squares in 2 ways, for example, as 3927027556 + 18992164 = 62666^2 + 4358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49325207 + ... + 49325286.

Almost surely, 2^3946019720 is an apocalyptic number.

It is an amenable number.

3946019720 is an abundant number, since it is smaller than the sum of its proper divisors (4932524740).

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

3946019720 is a wasteful number, since it uses less digits than its factorization.

3946019720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98650504 (or 98650500 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3946019720 is about 62817.3520613532. The cubic root of 3946019720 is about 1580.2279914547.

The spelling of 3946019720 in words is "three billion, nine hundred forty-six million, nineteen thousand, seven hundred twenty".