38409017 has 4 divisors (see below), whose sum is σ = 38429556. Its totient is φ = 38388480.

The previous prime is 38408977. The next prime is 38409029. The reversal of 38409017 is 71090483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71090483 = 401 ⋅177283.

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 16777216 = 4651^2 + 4096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38409017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38409067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (9607389).

Almost surely, 2^38409017 is an apocalyptic number.

It is an amenable number.

38409017 is a deficient number, since it is larger than the sum of its proper divisors (20539).

38409017 is a wasteful number, since it uses less digits than its factorization.

38409017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20538.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 38409017 is about 6197.5008672851. The cubic root of 38409017 is about 337.3994711108.

The spelling of 38409017 in words is "thirty-eight million, four hundred nine thousand, seventeen".