3857247924 has 12 divisors (see below), whose sum is σ = 9000245184. Its totient is φ = 1285749304.

The previous prime is 3857247887. The next prime is 3857247973. The reversal of 3857247924 is 4297427583.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160718652 + ... + 160718675.

It is an arithmetic number, because the mean of its divisors is an integer number (750020432).

Almost surely, 2^3857247924 is an apocalyptic number.

It is an amenable number.

3857247924 is an abundant number, since it is smaller than the sum of its proper divisors (5142997260).

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

3857247924 is a wasteful number, since it uses less digits than its factorization.

3857247924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321437334 (or 321437332 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 3857247924 is about 62106.7462036130. The cubic root of 3857247924 is about 1568.2881152893.

The spelling of 3857247924 in words is "three billion, eight hundred fifty-seven million, two hundred forty-seven thousand, nine hundred twenty-four".