38409343 has 4 divisors (see below), whose sum is σ = 43896400. Its totient is φ = 32922288.

The previous prime is 38409323. The next prime is 38409359. The reversal of 38409343 is 34390483.

38409343 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 an emirpimes, since its reverse is a distinct semiprime: 34390483 = 71 ⋅484373.

It is a de Polignac number, because none of the positive numbers 2^k-38409343 is a prime.

It is a super-3 number, since 3×38409343³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38409299 and 38409308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38409313) 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, 2743518 + ... + 2743531.

It is an arithmetic number, because the mean of its divisors is an integer number (10974100).

Almost surely, 2^38409343 is an apocalyptic number.

38409343 is a deficient number, since it is larger than the sum of its proper divisors (5487057).

38409343 is an equidigital number, since it uses as much as digits as its factorization.

38409343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487056.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 38409343 is about 6197.5271681534. The cubic root of 38409343 is about 337.4004256776.

The spelling of 38409343 in words is "thirty-eight million, four hundred nine thousand, three hundred forty-three".