39645346 has 16 divisors (see below), whose sum is σ = 65407104. Its totient is φ = 17907984.

The previous prime is 39645341. The next prime is 39645367. The reversal of 39645346 is 64354693.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 39645299 and 39645308.

It is not an unprimeable number, because it can be changed into a prime (39645341) 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, 15000 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (4087944).

Almost surely, 2^39645346 is an apocalyptic number.

39645346 is a deficient number, since it is larger than the sum of its proper divisors (25761758).

39645346 is a wasteful number, since it uses less digits than its factorization.

39645346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32505.

The product of its digits is 233280, while the sum is 40.

The square root of 39645346 is about 6296.4550343824. The cubic root of 39645346 is about 340.9814376310.

The spelling of 39645346 in words is "thirty-nine million, six hundred forty-five thousand, three hundred forty-six".