38331413 has 4 divisors (see below), whose sum is σ = 40586220. Its totient is φ = 36076608.

The previous prime is 38331389. The next prime is 38331421. The reversal of 38331413 is 31413383.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12909649 + 25421764 = 3593^2 + 5042^2 .

It is a cyclic number.

It is not a de Polignac number, because 38331413 - 2²² = 34137109 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 (38331463) 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, 1127378 + ... + 1127411.

It is an arithmetic number, because the mean of its divisors is an integer number (10146555).

Almost surely, 2^38331413 is an apocalyptic number.

It is an amenable number.

38331413 is a deficient number, since it is larger than the sum of its proper divisors (2254807).

38331413 is a wasteful number, since it uses less digits than its factorization.

38331413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254806.

The product of its digits is 2592, while the sum is 26.

The square root of 38331413 is about 6191.2367908197. The cubic root of 38331413 is about 337.1720835100.

Adding to 38331413 its reverse (31413383), we get a palindrome (69744796).

The spelling of 38331413 in words is "thirty-eight million, three hundred thirty-one thousand, four hundred thirteen".