2394421 has 2 divisors, whose sum is σ = 2394422. Its totient is φ = 2394420.

The previous prime is 2394419. The next prime is 2394451. The reversal of 2394421 is 1244932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 7396 = 1545^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 2394421 - 2¹ = 2394419 is a prime.

Together with 2394419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2394451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1197210 + 1197211.

It is an arithmetic number, because the mean of its divisors is an integer number (1197211).

2^2394421 is an apocalyptic number.

It is an amenable number.

2394421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2394421 is an equidigital number, since it uses as much as digits as its factorization.

2394421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 2394421 is about 1547.3916763380. The cubic root of 2394421 is about 133.7827660137.

The spelling of 2394421 in words is "two million, three hundred ninety-four thousand, four hundred twenty-one".