38443632 has 20 divisors (see below), whose sum is σ = 99312840. Its totient is φ = 12814528.

The previous prime is 38443621. The next prime is 38443661. The reversal of 38443632 is 23634483.

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

It is a junction number, because it is equal to n+sod(n) for n = 38443593 and 38443602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400407 + ... + 400502.

It is an arithmetic number, because the mean of its divisors is an integer number (4965642).

Almost surely, 2^38443632 is an apocalyptic number.

It is an amenable number.

38443632 is an abundant number, since it is smaller than the sum of its proper divisors (60869208).

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

38443632 is a wasteful number, since it uses less digits than its factorization.

38443632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800920 (or 800914 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 38443632 is about 6200.2928963074. The cubic root of 38443632 is about 337.5007978033.

The spelling of 38443632 in words is "thirty-eight million, four hundred forty-three thousand, six hundred thirty-two".