38446997 has 4 divisors (see below), whose sum is σ = 38988576. Its totient is φ = 37905420.

The previous prime is 38446981. The next prime is 38447023. The reversal of 38446997 is 79964483.

38446997 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, and also an emirpimes, since its reverse is a distinct semiprime: 79964483 = 19 ⋅4208657.

It is a cyclic number.

It is not a de Polignac number, because 38446997 - 2⁴ = 38446981 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 (38446097) 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, 270683 + ... + 270824.

It is an arithmetic number, because the mean of its divisors is an integer number (9747144).

Almost surely, 2^38446997 is an apocalyptic number.

It is an amenable number.

38446997 is a deficient number, since it is larger than the sum of its proper divisors (541579).

38446997 is an equidigital number, since it uses as much as digits as its factorization.

38446997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541578.

The product of its digits is 1306368, while the sum is 50.

The square root of 38446997 is about 6200.5642485180. The cubic root of 38446997 is about 337.5106447489.

The spelling of 38446997 in words is "thirty-eight million, four hundred forty-six thousand, nine hundred ninety-seven".