38284047 has 12 divisors (see below), whose sum is σ = 56057664. Its totient is φ = 25172640.

The previous prime is 38284019. The next prime is 38284067. The reversal of 38284047 is 74048283.

It is not a de Polignac number, because 38284047 - 2⁷ = 38283919 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38284007) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 28479 + ... + 29792.

It is an arithmetic number, because the mean of its divisors is an integer number (4671472).

Almost surely, 2^38284047 is an apocalyptic number.

38284047 is a deficient number, since it is larger than the sum of its proper divisors (17773617).

38284047 is a wasteful number, since it uses less digits than its factorization.

38284047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58350 (or 58347 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 38284047 is about 6187.4103629871. The cubic root of 38284047 is about 337.0331454571.

It can be divided in two parts, 3828 and 4047, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 38284047 in words is "thirty-eight million, two hundred eighty-four thousand, forty-seven".