386284744 has 32 divisors (see below), whose sum is σ = 807256800. Its totient is φ = 172212480.

The previous prime is 386284729. The next prime is 386284771. The reversal of 386284744 is 447482683.

It is a junction number, because it is equal to n+sod(n) for n = 386284694 and 386284703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72162 + ... + 77329.

It is an arithmetic number, because the mean of its divisors is an integer number (25226775).

Almost surely, 2^386284744 is an apocalyptic number.

386284744 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

386284744 is an abundant number, since it is smaller than the sum of its proper divisors (420972056).

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

386284744 is a wasteful number, since it uses less digits than its factorization.

386284744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149533 (or 149529 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The square root of 386284744 is about 19654.1279124768. The cubic root of 386284744 is about 728.2869345518.

The spelling of 386284744 in words is "three hundred eighty-six million, two hundred eighty-four thousand, seven hundred forty-four".