38829472 has 24 divisors (see below), whose sum is σ = 83395872. Its totient is φ = 17649600.

The previous prime is 38829457. The next prime is 38829491. The reversal of 38829472 is 27492883.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 54804 + ... + 55507.

It is an arithmetic number, because the mean of its divisors is an integer number (3474828).

Almost surely, 2^38829472 is an apocalyptic number.

38829472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38829472 is an abundant number, since it is smaller than the sum of its proper divisors (44566400).

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

38829472 is a wasteful number, since it uses less digits than its factorization.

38829472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110332 (or 110324 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 38829472 is about 6231.3298741119. The cubic root of 38829472 is about 338.6261516279.

The spelling of 38829472 in words is "thirty-eight million, eight hundred twenty-nine thousand, four hundred seventy-two".