38559240 has 96 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 10279872.

The previous prime is 38559239. The next prime is 38559253. The reversal of 38559240 is 4295583.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38559195 and 38559204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7737 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (1354080).

Almost surely, 2^38559240 is an apocalyptic number.

38559240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38559240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64995840).

38559240 is an abundant number, since it is smaller than the sum of its proper divisors (91432440).

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

38559240 is a wasteful number, since it uses less digits than its factorization.

38559240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 38559240 is about 6209.6086833230. The cubic root of 38559240 is about 337.8387709506.

The spelling of 38559240 in words is "thirty-eight million, five hundred fifty-nine thousand, two hundred forty".