38433997 has 4 divisors (see below), whose sum is σ = 43924576. Its totient is φ = 32943420.

The previous prime is 38433977. The next prime is 38434003. The reversal of 38433997 is 79933483.

38433997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38433997 - 2¹¹ = 38431949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38433907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2745279 + ... + 2745292.

It is an arithmetic number, because the mean of its divisors is an integer number (10981144).

Almost surely, 2^38433997 is an apocalyptic number.

It is an amenable number.

38433997 is a deficient number, since it is larger than the sum of its proper divisors (5490579).

38433997 is an equidigital number, since it uses as much as digits as its factorization.

38433997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490578.

The product of its digits is 489888, while the sum is 46.

The square root of 38433997 is about 6199.5158681949. The cubic root of 38433997 is about 337.4725998789.

The spelling of 38433997 in words is "thirty-eight million, four hundred thirty-three thousand, nine hundred ninety-seven".