2380421 has 2 divisors, whose sum is σ = 2380422. Its totient is φ = 2380420.

The previous prime is 2380393. The next prime is 2380423. The reversal of 2380421 is 1240832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2208196 + 172225 = 1486^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2380421 - 2¹⁰ = 2379397 is a prime.

Together with 2380423, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2380393 and 2380402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2380423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190210 + 1190211.

It is an arithmetic number, because the mean of its divisors is an integer number (1190211).

2^2380421 is an apocalyptic number.

It is an amenable number.

2380421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2380421 is an equidigital number, since it uses as much as digits as its factorization.

2380421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2380421 is about 1542.8613029044. The cubic root of 2380421 is about 133.5215169160.

The spelling of 2380421 in words is "two million, three hundred eighty thousand, four hundred twenty-one".