39793673 has 2 divisors, whose sum is σ = 39793674. Its totient is φ = 39793672.

The previous prime is 39793661. The next prime is 39793693. The reversal of 39793673 is 37639793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39790864 + 2809 = 6308^2 + 53^2 .

It is an emirp because it is prime and its reverse (37639793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39793673 - 2⁶ = 39793609 is a prime.

It is not a weakly prime, because it can be changed into another prime (39793693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19896836 + 19896837.

It is an arithmetic number, because the mean of its divisors is an integer number (19896837).

Almost surely, 2^39793673 is an apocalyptic number.

It is an amenable number.

39793673 is a deficient number, since it is larger than the sum of its proper divisors (1).

39793673 is an equidigital number, since it uses as much as digits as its factorization.

39793673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 642978, while the sum is 47.

The square root of 39793673 is about 6308.2226498436. Note that the first 3 decimals coincide. The cubic root of 39793673 is about 341.4061517064.

The spelling of 39793673 in words is "thirty-nine million, seven hundred ninety-three thousand, six hundred seventy-three".