39946337 has 4 divisors (see below), whose sum is σ = 39963696. Its totient is φ = 39928980.

The previous prime is 39946327. The next prime is 39946339. The reversal of 39946337 is 73364993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39946337 - 2¹⁰ = 39945313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39946339) 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, 4583 + ... + 10044.

It is an arithmetic number, because the mean of its divisors is an integer number (9990924).

Almost surely, 2^39946337 is an apocalyptic number.

It is an amenable number.

39946337 is a deficient number, since it is larger than the sum of its proper divisors (17359).

39946337 is a wasteful number, since it uses less digits than its factorization.

39946337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17358.

The product of its digits is 367416, while the sum is 44.

The square root of 39946337 is about 6320.3114638442. The cubic root of 39946337 is about 341.8421834933.

The spelling of 39946337 in words is "thirty-nine million, nine hundred forty-six thousand, three hundred thirty-seven".