2078443 has 2 divisors, whose sum is σ = 2078444. Its totient is φ = 2078442.

The previous prime is 2078431. The next prime is 2078449. The reversal of 2078443 is 3448702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2078443 - 2¹⁷ = 1947371 is a prime.

2078443 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2078449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039221 + 1039222.

It is an arithmetic number, because the mean of its divisors is an integer number (1039222).

2^2078443 is an apocalyptic number.

2078443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2078443 is an equidigital number, since it uses as much as digits as its factorization.

2078443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2078443 is about 1441.6806165028. The cubic root of 2078443 is about 127.6182268752.

The spelling of 2078443 in words is "two million, seventy-eight thousand, four hundred forty-three".