2381849 has 2 divisors, whose sum is σ = 2381850. Its totient is φ = 2381848.

The previous prime is 2381839. The next prime is 2381861. The reversal of 2381849 is 9481832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 322624 = 1435^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2381849 - 2²⁰ = 1333273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2381839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190924 + 1190925.

It is an arithmetic number, because the mean of its divisors is an integer number (1190925).

2^2381849 is an apocalyptic number.

It is an amenable number.

2381849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381849 is an equidigital number, since it uses as much as digits as its factorization.

2381849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 2381849 is about 1543.3240100510. The cubic root of 2381849 is about 133.5482111593.

The spelling of 2381849 in words is "two million, three hundred eighty-one thousand, eight hundred forty-nine".