3985724950 has 12 divisors (see below), whose sum is σ = 7413448500. Its totient is φ = 1594289960.

The previous prime is 3985724927. The next prime is 3985724969. The reversal of 3985724950 is 594275893.

3985724950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39857200 + ... + 39857299.

It is an arithmetic number, because the mean of its divisors is an integer number (617787375).

Almost surely, 2^3985724950 is an apocalyptic number.

3985724950 is a deficient number, since it is larger than the sum of its proper divisors (3427723550).

3985724950 is a wasteful number, since it uses less digits than its factorization.

3985724950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79714511 (or 79714506 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The square root of 3985724950 is about 63132.5981565783. The cubic root of 3985724950 is about 1585.5104486945.

The spelling of 3985724950 in words is "three billion, nine hundred eighty-five million, seven hundred twenty-four thousand, nine hundred fifty".