39494843 has 2 divisors, whose sum is σ = 39494844. Its totient is φ = 39494842.

The previous prime is 39494813. The next prime is 39494857. The reversal of 39494843 is 34849493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39494843 - 2¹⁴ = 39478459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39494794 and 39494803.

It is not a weakly prime, because it can be changed into another prime (39494813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19747421 + 19747422.

It is an arithmetic number, because the mean of its divisors is an integer number (19747422).

Almost surely, 2^39494843 is an apocalyptic number.

39494843 is a deficient number, since it is larger than the sum of its proper divisors (1).

39494843 is an equidigital number, since it uses as much as digits as its factorization.

39494843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 39494843 is about 6284.4922627051. The cubic root of 39494843 is about 340.5494087290.

The spelling of 39494843 in words is "thirty-nine million, four hundred ninety-four thousand, eight hundred forty-three".