38387832 has 64 divisors (see below), whose sum is σ = 111041280. Its totient is φ = 10831872.

The previous prime is 38387807. The next prime is 38387857. The reversal of 38387832 is 23878383.

It is an interprime number because it is at equal distance from previous prime (38387807) and next prime (38387857).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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

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, 12568 + ... + 15320.

It is an arithmetic number, because the mean of its divisors is an integer number (1735020).

Almost surely, 2^38387832 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 38387832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55520640).

38387832 is an abundant number, since it is smaller than the sum of its proper divisors (72653448).

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

38387832 is a wasteful number, since it uses less digits than its factorization.

38387832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2848 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 38387832 is about 6195.7914748642. The cubic root of 38387832 is about 337.3374273260.

The spelling of 38387832 in words is "thirty-eight million, three hundred eighty-seven thousand, eight hundred thirty-two".