386280448 has 44 divisors (see below), whose sum is σ = 775976760. Its totient is φ = 192192512.

The previous prime is 386280421. The next prime is 386280467. The reversal of 386280448 is 844082683.

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, 237783 + ... + 239401.

Almost surely, 2^386280448 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 386280448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387988380).

386280448 is an abundant number, since it is smaller than the sum of its proper divisors (389696312).

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

386280448 is a wasteful number, since it uses less digits than its factorization.

386280448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 386280448 is about 19654.0186221546. The cubic root of 386280448 is about 728.2842347021.

The spelling of 386280448 in words is "three hundred eighty-six million, two hundred eighty thousand, four hundred forty-eight".