38265821 has 8 divisors (see below), whose sum is σ = 42176064. Its totient is φ = 34427520.

The previous prime is 38265803. The next prime is 38265853. The reversal of 38265821 is 12856283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38265821 - 2¹⁸ = 38003677 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38265121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16865 + ... + 18998.

It is an arithmetic number, because the mean of its divisors is an integer number (5272008).

Almost surely, 2^38265821 is an apocalyptic number.

It is an amenable number.

38265821 is a deficient number, since it is larger than the sum of its proper divisors (3910243).

38265821 is a wasteful number, since it uses less digits than its factorization.

38265821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35971.

The product of its digits is 23040, while the sum is 35.

The square root of 38265821 is about 6185.9373582344. The cubic root of 38265821 is about 336.9796528438.

The spelling of 38265821 in words is "thirty-eight million, two hundred sixty-five thousand, eight hundred twenty-one".