39745946 has 8 divisors (see below), whose sum is σ = 59691060. Its totient is φ = 19848928.

The previous prime is 39745913. The next prime is 39746009. The reversal of 39745946 is 64954793.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36735721 + 3010225 = 6061^2 + 1735^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 39745946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9881 + ... + 13308.

Almost surely, 2^39745946 is an apocalyptic number.

39745946 is a deficient number, since it is larger than the sum of its proper divisors (19945114).

39745946 is a wasteful number, since it uses less digits than its factorization.

39745946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24048.

The product of its digits is 816480, while the sum is 47.

The square root of 39745946 is about 6304.4385951487. The cubic root of 39745946 is about 341.2696073032.

The spelling of 39745946 in words is "thirty-nine million, seven hundred forty-five thousand, nine hundred forty-six".