38634417 has 12 divisors (see below), whose sum is σ = 55881540. Its totient is φ = 25721088.

The previous prime is 38634413. The next prime is 38634451. The reversal of 38634417 is 71443683.

38634417 is a `hidden beast` number, since 3 + 8 + 634 + 4 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28291761 + 10342656 = 5319^2 + 3216^2 .

It is not a de Polignac number, because 38634417 - 2² = 38634413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38634413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5209 + ... + 10217.

It is an arithmetic number, because the mean of its divisors is an integer number (4656795).

Almost surely, 2^38634417 is an apocalyptic number.

It is an amenable number.

38634417 is a deficient number, since it is larger than the sum of its proper divisors (17247123).

38634417 is a wasteful number, since it uses less digits than its factorization.

38634417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872 (or 5869 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 38634417 is about 6215.6590157440. The cubic root of 38634417 is about 338.0581841410.

The spelling of 38634417 in words is "thirty-eight million, six hundred thirty-four thousand, four hundred seventeen".