2381215 has 4 divisors (see below), whose sum is σ = 2857464. Its totient is φ = 1904968.

The previous prime is 2381201. The next prime is 2381221. The reversal of 2381215 is 5121832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2381215 - 2⁷ = 2381087 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238117 + ... + 238126.

It is an arithmetic number, because the mean of its divisors is an integer number (714366).

2^2381215 is an apocalyptic number.

2381215 is a deficient number, since it is larger than the sum of its proper divisors (476249).

2381215 is an equidigital number, since it uses as much as digits as its factorization.

2381215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476248.

The product of its digits is 480, while the sum is 22.

The square root of 2381215 is about 1543.1185955720. The cubic root of 2381215 is about 133.5363608307.

The spelling of 2381215 in words is "two million, three hundred eighty-one thousand, two hundred fifteen".