38493967 has 4 divisors (see below), whose sum is σ = 40758336. Its totient is φ = 36229600.

The previous prime is 38493947. The next prime is 38494009. The reversal of 38493967 is 76939483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38493967 - 2⁷ = 38493839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38493967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38493907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132159 + ... + 1132192.

It is an arithmetic number, because the mean of its divisors is an integer number (10189584).

Almost surely, 2^38493967 is an apocalyptic number.

38493967 is a deficient number, since it is larger than the sum of its proper divisors (2264369).

38493967 is a wasteful number, since it uses less digits than its factorization.

38493967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264368.

The product of its digits is 979776, while the sum is 49.

The square root of 38493967 is about 6204.3506509545. The cubic root of 38493967 is about 337.6480323636.

The spelling of 38493967 in words is "thirty-eight million, four hundred ninety-three thousand, nine hundred sixty-seven".