38858838 has 32 divisors (see below), whose sum is σ = 86624640. Its totient is φ = 11548800.

The previous prime is 38858803. The next prime is 38858839. The reversal of 38858838 is 83885883.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38858839) 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 15 ways as a sum of consecutive naturals, for example, 8088 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (2707020).

Almost surely, 2^38858838 is an apocalyptic number.

38858838 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

38858838 is an abundant number, since it is smaller than the sum of its proper divisors (47765802).

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

38858838 is a wasteful number, since it uses less digits than its factorization.

38858838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092.

The product of its digits is 1474560, while the sum is 51.

The square root of 38858838 is about 6233.6857476135. The cubic root of 38858838 is about 338.7114956485.

The spelling of 38858838 in words is "thirty-eight million, eight hundred fifty-eight thousand, eight hundred thirty-eight".