38853240 has 128 divisors (see below), whose sum is σ = 122472000. Its totient is φ = 9850880.

The previous prime is 38853181. The next prime is 38853247. The reversal of 38853240 is 4235883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38853247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260686 + ... + 260834.

Almost surely, 2^38853240 is an apocalyptic number.

38853240 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 38853240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61236000).

38853240 is an abundant number, since it is smaller than the sum of its proper divisors (83618760).

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

38853240 is a wasteful number, since it uses less digits than its factorization.

38853240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 38853240 is about 6233.2367193939. The cubic root of 38853240 is about 338.6952299536.

It can be divided in two parts, 38853 and 240, that added together give a palindrome (39093).

The spelling of 38853240 in words is "thirty-eight million, eight hundred fifty-three thousand, two hundred forty".