3859728 has 40 divisors (see below), whose sum is σ = 10046976. Its totient is φ = 1276800.

The previous prime is 3859693. The next prime is 3859759. The reversal of 3859728 is 8279583.

It is a self number, because there is not a number n which added to its sum of digits gives 3859728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958 + ... + 9378.

Almost surely, 2^3859728 is an apocalyptic number.

It is an amenable number.

3859728 is an abundant number, since it is smaller than the sum of its proper divisors (6187248).

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

3859728 is a wasteful number, since it uses less digits than its factorization.

3859728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 617 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 3859728 is about 1964.6190470419. The cubic root of 3859728 is about 156.8624161480.

The spelling of 3859728 in words is "three million, eight hundred fifty-nine thousand, seven hundred twenty-eight".