39730994 has 8 divisors (see below), whose sum is σ = 59702940. Its totient is φ = 19830016.

The previous prime is 39730993. The next prime is 39730997. The reversal of 39730994 is 49903793.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38278969 + 1452025 = 6187^2 + 1205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39730991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16319 + ... + 18594.

Almost surely, 2^39730994 is an apocalyptic number.

39730994 is a deficient number, since it is larger than the sum of its proper divisors (19971946).

39730994 is a wasteful number, since it uses less digits than its factorization.

39730994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35484.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 39730994 is about 6303.2526524010. The cubic root of 39730994 is about 341.2268079432.

The spelling of 39730994 in words is "thirty-nine million, seven hundred thirty thousand, nine hundred ninety-four".