38726240 has 96 divisors (see below), whose sum is σ = 106251264. Its totient is φ = 13063680.

The previous prime is 38726239. The next prime is 38726267. The reversal of 38726240 is 4262783.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 38726197 and 38726206.

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, 79277 + ... + 79763.

It is an arithmetic number, because the mean of its divisors is an integer number (1106784).

Almost surely, 2^38726240 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 38726240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53125632).

38726240 is an abundant number, since it is smaller than the sum of its proper divisors (67525024).

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

38726240 is a wasteful number, since it uses less digits than its factorization.

38726240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 38726240 is about 6223.0410572324. The cubic root of 38726240 is about 338.3257948984.

The spelling of 38726240 in words is "thirty-eight million, seven hundred twenty-six thousand, two hundred forty".