38908641 has 4 divisors (see below), whose sum is σ = 51878192. Its totient is φ = 25939092.

The previous prime is 38908619. The next prime is 38908643. The reversal of 38908641 is 14680983.

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 not a de Polignac number, because 38908641 - 2⁶ = 38908577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38908641.

It is not an unprimeable number, because it can be changed into a prime (38908643) 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, 6484771 + ... + 6484776.

It is an arithmetic number, because the mean of its divisors is an integer number (12969548).

Almost surely, 2^38908641 is an apocalyptic number.

It is an amenable number.

38908641 is a deficient number, since it is larger than the sum of its proper divisors (12969551).

38908641 is a wasteful number, since it uses less digits than its factorization.

38908641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12969550.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 38908641 is about 6237.6791357042. The cubic root of 38908641 is about 338.8561358215.

The spelling of 38908641 in words is "thirty-eight million, nine hundred eight thousand, six hundred forty-one".