38840424 has 64 divisors (see below), whose sum is σ = 113356800. Its totient is φ = 10858944.

The previous prime is 38840411. The next prime is 38840441. The reversal of 38840424 is 42404883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5437 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (1771200).

Almost surely, 2^38840424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38840424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56678400).

38840424 is an abundant number, since it is smaller than the sum of its proper divisors (74516376).

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

38840424 is a wasteful number, since it uses less digits than its factorization.

38840424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 38840424 is about 6232.2085972791. The cubic root of 38840424 is about 338.6579855657.

The spelling of 38840424 in words is "thirty-eight million, eight hundred forty thousand, four hundred twenty-four".