38384920 has 32 divisors (see below), whose sum is σ = 98704800. Its totient is φ = 13160448.

The previous prime is 38384917. The next prime is 38384971. The reversal of 38384920 is 2948383.

It is a self number, because there is not a number n which added to its sum of digits gives 38384920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68265 + ... + 68824.

It is an arithmetic number, because the mean of its divisors is an integer number (3084525).

Almost surely, 2^38384920 is an apocalyptic number.

It is an amenable number.

38384920 is an abundant number, since it is smaller than the sum of its proper divisors (60319880).

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

38384920 is a wasteful number, since it uses less digits than its factorization.

38384920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137107 (or 137103 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 38384920 is about 6195.5564721823. The cubic root of 38384920 is about 337.3288972669.

It can be divided in two parts, 38384 and 920, that added together give a cube (39304 = 34³).

The spelling of 38384920 in words is "thirty-eight million, three hundred eighty-four thousand, nine hundred twenty".