38393473 has 8 divisors (see below), whose sum is σ = 38925992. Its totient is φ = 37863936.

The previous prime is 38393449. The next prime is 38393489. The reversal of 38393473 is 37439383.

It can be written as a sum of positive squares in 4 ways, for example, as 14265729 + 24127744 = 3777^2 + 4912^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38393473 - 2⁵ = 38393441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38393423) 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 7 ways as a sum of consecutive naturals, for example, 38011 + ... + 39007.

It is an arithmetic number, because the mean of its divisors is an integer number (4865749).

Almost surely, 2^38393473 is an apocalyptic number.

It is an amenable number.

38393473 is a deficient number, since it is larger than the sum of its proper divisors (532519).

38393473 is an equidigital number, since it uses as much as digits as its factorization.

38393473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its digits is 163296, while the sum is 40.

The square root of 38393473 is about 6196.2466865030. The cubic root of 38393473 is about 337.3539501591.

The spelling of 38393473 in words is "thirty-eight million, three hundred ninety-three thousand, four hundred seventy-three".