38632609 has 4 divisors (see below), whose sum is σ = 38670016. Its totient is φ = 38595204.

The previous prime is 38632597. The next prime is 38632621. The reversal of 38632609 is 90623683.

It is a happy number.

38632609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (38632597) and next prime (38632621).

It is a cyclic number.

It is not a de Polignac number, because 38632609 - 2¹¹ = 38630561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38632639) 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 3 ways as a sum of consecutive naturals, for example, 17109 + ... + 19234.

It is an arithmetic number, because the mean of its divisors is an integer number (9667504).

Almost surely, 2^38632609 is an apocalyptic number.

It is an amenable number.

38632609 is a deficient number, since it is larger than the sum of its proper divisors (37407).

38632609 is a wasteful number, since it uses less digits than its factorization.

38632609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37406.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 38632609 is about 6215.5135749188. The cubic root of 38632609 is about 338.0529106157.

The spelling of 38632609 in words is "thirty-eight million, six hundred thirty-two thousand, six hundred nine".