39069394 has 16 divisors (see below), whose sum is σ = 72128448. Its totient is φ = 15455952.

The previous prime is 39069389. The next prime is 39069403. The reversal of 39069394 is 49396093.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39069394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107152 + ... + 107515.

It is an arithmetic number, because the mean of its divisors is an integer number (4508028).

Almost surely, 2^39069394 is an apocalyptic number.

39069394 is a deficient number, since it is larger than the sum of its proper divisors (33059054).

39069394 is a wasteful number, since it uses less digits than its factorization.

39069394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214689.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 39069394 is about 6250.5514956682. The cubic root of 39069394 is about 339.3221616416.

The spelling of 39069394 in words is "thirty-nine million, sixty-nine thousand, three hundred ninety-four".