38543232 has 128 divisors (see below), whose sum is σ = 126120960. Its totient is φ = 10156032.

The previous prime is 38543207. The next prime is 38543237. The reversal of 38543232 is 23234583.

It is a tau number, because it is divible by the number of its divisors (128).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 38543232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38543237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34393 + ... + 35495.

It is an arithmetic number, because the mean of its divisors is an integer number (985320).

Almost surely, 2^38543232 is an apocalyptic number.

38543232 is a gapful number since it is divisible by the number (32) 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 38543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63060480).

38543232 is an abundant number, since it is smaller than the sum of its proper divisors (87577728).

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

38543232 is a wasteful number, since it uses less digits than its factorization.

38543232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140 (or 1128 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 38543232 is about 6208.3195794031. The cubic root of 38543232 is about 337.7920128401.

The spelling of 38543232 in words is "thirty-eight million, five hundred forty-three thousand, two hundred thirty-two".