38828929 has 4 divisors (see below), whose sum is σ = 38931760. Its totient is φ = 38726100.

The previous prime is 38828921. The next prime is 38829023. The reversal of 38828929 is 92982883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38828929 - 2³ = 38828921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38828921) 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 3 ways as a sum of consecutive naturals, for example, 50847 + ... + 51604.

It is an arithmetic number, because the mean of its divisors is an integer number (9732940).

Almost surely, 2^38828929 is an apocalyptic number.

It is an amenable number.

38828929 is a deficient number, since it is larger than the sum of its proper divisors (102831).

38828929 is a wasteful number, since it uses less digits than its factorization.

38828929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102830.

The product of its digits is 497664, while the sum is 49.

The square root of 38828929 is about 6231.2863038060. The cubic root of 38828929 is about 338.6245731460.

The spelling of 38828929 in words is "thirty-eight million, eight hundred twenty-eight thousand, nine hundred twenty-nine".