365869728 has 144 divisors (see below), whose sum is σ = 1199278080. Its totient is φ = 103638528.

The previous prime is 365869703. The next prime is 365869739. The reversal of 365869728 is 827968563.

It is a happy number.

365869728 is a `hidden beast` number, since 36 + 586 + 9 + 7 + 28 = 666.

365869728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255318 + ... + 256746.

It is an arithmetic number, because the mean of its divisors is an integer number (8328320).

Almost surely, 2^365869728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 365869728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599639040).

365869728 is an abundant number, since it is smaller than the sum of its proper divisors (833408352).

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

365869728 is a wasteful number, since it uses less digits than its factorization.

365869728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579 (or 1568 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 365869728 is about 19127.7214534298. The cubic root of 365869728 is about 715.2241317323.

The spelling of 365869728 in words is "three hundred sixty-five million, eight hundred sixty-nine thousand, seven hundred twenty-eight".