38451413 has 32 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 27322560.

The previous prime is 38451403. The next prime is 38451463. The reversal of 38451413 is 31415483.

38451413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38451413 - 2⁸ = 38451157 is a prime.

It is a super-2 number, since 2×38451413² = 2957022323393138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38451403) 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 31 ways as a sum of consecutive naturals, for example, 106928 + ... + 107286.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^38451413 is an apocalyptic number.

It is an amenable number.

38451413 is a deficient number, since it is larger than the sum of its proper divisors (13803307).

38451413 is a wasteful number, since it uses less digits than its factorization.

38451413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its digits is 5760, while the sum is 29.

The square root of 38451413 is about 6200.9203349180. The cubic root of 38451413 is about 337.5235663471.

Adding to 38451413 its reverse (31415483), we get a palindrome (69866896).

The spelling of 38451413 in words is "thirty-eight million, four hundred fifty-one thousand, four hundred thirteen".