38829438 has 24 divisors (see below), whose sum is σ = 84488976. Its totient is φ = 12888000.

The previous prime is 38829421. The next prime is 38829457. The reversal of 38829438 is 83492883.

It is a junction number, because it is equal to n+sod(n) for n = 38829393 and 38829402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138 + ... + 8813.

It is an arithmetic number, because the mean of its divisors is an integer number (3520374).

Almost surely, 2^38829438 is an apocalyptic number.

38829438 is an abundant number, since it is smaller than the sum of its proper divisors (45659538).

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

38829438 is a wasteful number, since it uses less digits than its factorization.

38829438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200 (or 9197 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 38829438 is about 6231.3271459618. The cubic root of 38829438 is about 338.6260527915.

The spelling of 38829438 in words is "thirty-eight million, eight hundred twenty-nine thousand, four hundred thirty-eight".