38393413 has 4 divisors (see below), whose sum is σ = 38406220. Its totient is φ = 38380608.

The previous prime is 38393363. The next prime is 38393423. The reversal of 38393413 is 31439383.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11009124 + 27384289 = 3318^2 + 5233^2 .

It is a cyclic number.

It is not a de Polignac number, because 38393413 - 2²¹ = 36296261 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 (38393423) 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, 781 + ... + 8797.

It is an arithmetic number, because the mean of its divisors is an integer number (9601555).

Almost surely, 2^38393413 is an apocalyptic number.

It is an amenable number.

38393413 is a deficient number, since it is larger than the sum of its proper divisors (12807).

38393413 is an equidigital number, since it uses as much as digits as its factorization.

38393413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12806.

The product of its digits is 23328, while the sum is 34.

The square root of 38393413 is about 6196.2418448605. The cubic root of 38393413 is about 337.3537744239.

The spelling of 38393413 in words is "thirty-eight million, three hundred ninety-three thousand, four hundred thirteen".