39669016 has 16 divisors (see below), whose sum is σ = 75783600. Its totient is φ = 19460064.

The previous prime is 39669011. The next prime is 39669029. The reversal of 39669016 is 61096693.

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 39669016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39669011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46356 + ... + 47203.

It is an arithmetic number, because the mean of its divisors is an integer number (4736475).

Almost surely, 2^39669016 is an apocalyptic number.

It is an amenable number.

39669016 is a deficient number, since it is larger than the sum of its proper divisors (36114584).

39669016 is a wasteful number, since it uses less digits than its factorization.

39669016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93618 (or 93614 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 39669016 is about 6298.3343829936. The cubic root of 39669016 is about 341.0492843917.

The spelling of 39669016 in words is "thirty-nine million, six hundred sixty-nine thousand, sixteen".