38319497 has 4 divisors (see below), whose sum is σ = 38969040. Its totient is φ = 37669956.

The previous prime is 38319473. The next prime is 38319509. The reversal of 38319497 is 79491383.

It is a happy number.

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 38319497 - 2¹⁰ = 38318473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38319427) by changing a digit.

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, 324683 + ... + 324800.

It is an arithmetic number, because the mean of its divisors is an integer number (9742260).

Almost surely, 2^38319497 is an apocalyptic number.

It is an amenable number.

38319497 is a deficient number, since it is larger than the sum of its proper divisors (649543).

38319497 is an equidigital number, since it uses as much as digits as its factorization.

38319497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649542.

The product of its digits is 163296, while the sum is 44.

The square root of 38319497 is about 6190.2743881027. The cubic root of 38319497 is about 337.1371412469.

The spelling of 38319497 in words is "thirty-eight million, three hundred nineteen thousand, four hundred ninety-seven".