38604449 has 4 divisors (see below), whose sum is σ = 41574036. Its totient is φ = 35634864.

The previous prime is 38604413. The next prime is 38604451. The reversal of 38604449 is 94440683.

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 13454224 + 25150225 = 3668^2 + 5015^2 .

It is a cyclic number.

It is not a de Polignac number, because 38604449 - 2²⁴ = 21827233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38604469) 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, 1484774 + ... + 1484799.

It is an arithmetic number, because the mean of its divisors is an integer number (10393509).

Almost surely, 2^38604449 is an apocalyptic number.

It is an amenable number.

38604449 is a deficient number, since it is larger than the sum of its proper divisors (2969587).

38604449 is a wasteful number, since it uses less digits than its factorization.

38604449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969586.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 38604449 is about 6213.2478624307. The cubic root of 38604449 is about 337.9707530451.

The spelling of 38604449 in words is "thirty-eight million, six hundred four thousand, four hundred forty-nine".