38609401 has 4 divisors (see below), whose sum is σ = 39242404. Its totient is φ = 37976400.

The previous prime is 38609393. The next prime is 38609437. The reversal of 38609401 is 10490683.

38609401 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3515625 + 35093776 = 1875^2 + 5924^2 .

It is a cyclic number.

It is not a de Polignac number, because 38609401 - 2³ = 38609393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38609471) 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, 316410 + ... + 316531.

It is an arithmetic number, because the mean of its divisors is an integer number (9810601).

Almost surely, 2^38609401 is an apocalyptic number.

It is an amenable number.

38609401 is a deficient number, since it is larger than the sum of its proper divisors (633003).

38609401 is an equidigital number, since it uses as much as digits as its factorization.

38609401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633002.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 38609401 is about 6213.6463529879. The cubic root of 38609401 is about 337.9852035351.

The spelling of 38609401 in words is "thirty-eight million, six hundred nine thousand, four hundred one".