38433872 has 20 divisors (see below), whose sum is σ = 78846516. Its totient is φ = 18086400.

The previous prime is 38433859. The next prime is 38433887. The reversal of 38433872 is 27833483.

It can be written as a sum of positive squares in 2 ways, for example, as 34762816 + 3671056 = 5896^2 + 1916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70379 + ... + 70922.

Almost surely, 2^38433872 is an apocalyptic number.

It is an amenable number.

38433872 is an abundant number, since it is smaller than the sum of its proper divisors (40412644).

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

38433872 is a wasteful number, since it uses less digits than its factorization.

38433872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141326 (or 141320 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 38433872 is about 6199.5057867543. The cubic root of 38433872 is about 337.4722340212.

The spelling of 38433872 in words is "thirty-eight million, four hundred thirty-three thousand, eight hundred seventy-two".