2381205 has 8 divisors (see below), whose sum is σ = 3809952. Its totient is φ = 1269968.

The previous prime is 2381201. The next prime is 2381221. The reversal of 2381205 is 5021832.

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 2381205 - 2² = 2381201 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁸ + 3⁷ + 8⁴ + 1 + 2²¹ + 0 + 5⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381201) 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, 79359 + ... + 79388.

It is an arithmetic number, because the mean of its divisors is an integer number (476244).

2^2381205 is an apocalyptic number.

It is an amenable number.

2381205 is a deficient number, since it is larger than the sum of its proper divisors (1428747).

2381205 is a wasteful number, since it uses less digits than its factorization.

2381205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158755.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2381205 is about 1543.1153553769. The cubic root of 2381205 is about 133.5361739002.

The spelling of 2381205 in words is "two million, three hundred eighty-one thousand, two hundred five".