39946207 has 8 divisors (see below), whose sum is σ = 46105632. Its totient is φ = 33900000.

The previous prime is 39946201. The next prime is 39946241. The reversal of 39946207 is 70264993.

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

It is a cyclic number.

It is not a de Polignac number, because 39946207 - 2¹¹ = 39944159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39946207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39946201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27544 + ... + 28957.

It is an arithmetic number, because the mean of its divisors is an integer number (5763204).

Almost surely, 2^39946207 is an apocalyptic number.

39946207 is a deficient number, since it is larger than the sum of its proper divisors (6159425).

39946207 is a wasteful number, since it uses less digits than its factorization.

39946207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56609.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 39946207 is about 6320.3011795325. The cubic root of 39946207 is about 341.8418126664.

It can be divided in two parts, 3994 and 6207, that added together give a palindrome (10201).

The spelling of 39946207 in words is "thirty-nine million, nine hundred forty-six thousand, two hundred seven".