39846973 has 4 divisors (see below), whose sum is σ = 40053628. Its totient is φ = 39640320.

The previous prime is 39846967. The next prime is 39846979. The reversal of 39846973 is 37964893.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (39846967) and next prime (39846979).

It can be written as a sum of positive squares in 2 ways, for example, as 11682724 + 28164249 = 3418^2 + 5307^2 .

It is a cyclic number.

It is not a de Polignac number, because 39846973 - 2⁵ = 39846941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39846979) 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, 103038 + ... + 103423.

It is an arithmetic number, because the mean of its divisors is an integer number (10013407).

Almost surely, 2^39846973 is an apocalyptic number.

It is an amenable number.

39846973 is a deficient number, since it is larger than the sum of its proper divisors (206655).

39846973 is a wasteful number, since it uses less digits than its factorization.

39846973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206654.

The product of its digits is 979776, while the sum is 49.

The square root of 39846973 is about 6312.4458809561. The cubic root of 39846973 is about 341.5585111828.

The spelling of 39846973 in words is "thirty-nine million, eight hundred forty-six thousand, nine hundred seventy-three".