38447201 has 4 divisors (see below), whose sum is σ = 41404692. Its totient is φ = 35489712.

The previous prime is 38447153. The next prime is 38447209. The reversal of 38447201 is 10274483.

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 5085025 + 33362176 = 2255^2 + 5776^2 .

It is a cyclic number.

It is not a de Polignac number, because 38447201 - 2⁶ = 38447137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38447209) 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, 1478726 + ... + 1478751.

It is an arithmetic number, because the mean of its divisors is an integer number (10351173).

Almost surely, 2^38447201 is an apocalyptic number.

It is an amenable number.

38447201 is a deficient number, since it is larger than the sum of its proper divisors (2957491).

38447201 is a wasteful number, since it uses less digits than its factorization.

38447201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957490.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 38447201 is about 6200.5806986120. The cubic root of 38447201 is about 337.5112416923.

The spelling of 38447201 in words is "thirty-eight million, four hundred forty-seven thousand, two hundred one".