39068821 has 8 divisors (see below), whose sum is σ = 42666624. Its totient is φ = 35478720.

The previous prime is 39068819. The next prime is 39068831. The reversal of 39068821 is 12886093.

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

It is a cyclic number.

It is not a de Polignac number, because 39068821 - 2¹ = 39068819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39068831) 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, 15940 + ... + 18226.

It is an arithmetic number, because the mean of its divisors is an integer number (5333328).

Almost surely, 2^39068821 is an apocalyptic number.

It is an amenable number.

39068821 is a deficient number, since it is larger than the sum of its proper divisors (3597803).

39068821 is a wasteful number, since it uses less digits than its factorization.

39068821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 39068821 is about 6250.5056595447. The cubic root of 39068821 is about 339.3205027766.

The spelling of 39068821 in words is "thirty-nine million, sixty-eight thousand, eight hundred twenty-one".