39693066 has 32 divisors (see below), whose sum is σ = 92220288. Its totient is φ = 11154240.

The previous prime is 39693037. The next prime is 39693067. The reversal of 39693066 is 66039693.

39693066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (39693067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5185 + ... + 10308.

It is an arithmetic number, because the mean of its divisors is an integer number (2881884).

Almost surely, 2^39693066 is an apocalyptic number.

39693066 is an abundant number, since it is smaller than the sum of its proper divisors (52527222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39693066 is a wasteful number, since it uses less digits than its factorization.

39693066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566.

The product of its (nonzero) digits is 157464, while the sum is 42.

The square root of 39693066 is about 6300.2433286342. The cubic root of 39693066 is about 341.1181927329.

The spelling of 39693066 in words is "thirty-nine million, six hundred ninety-three thousand, sixty-six".