4493939 has 2 divisors, whose sum is σ = 4493940. Its totient is φ = 4493938.

The previous prime is 4493921. The next prime is 4494019. The reversal of 4493939 is 9393944.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4493939 - 2¹² = 4489843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4493896 and 4493905.

It is not a weakly prime, because it can be changed into another prime (4493239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246969 + 2246970.

It is an arithmetic number, because the mean of its divisors is an integer number (2246970).

Almost surely, 2^4493939 is an apocalyptic number.

4493939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4493939 is an equidigital number, since it uses as much as digits as its factorization.

4493939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 4493939 is about 2119.8912707967. The cubic root of 4493939 is about 165.0222069896.

The spelling of 4493939 in words is "four million, four hundred ninety-three thousand, nine hundred thirty-nine".