39221339 has 8 divisors (see below), whose sum is σ = 41375040. Its totient is φ = 37076616.

The previous prime is 39221327. The next prime is 39221341. The reversal of 39221339 is 93312293.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39221339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39221309) 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, 7964 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (5171880).

Almost surely, 2^39221339 is an apocalyptic number.

39221339 is a deficient number, since it is larger than the sum of its proper divisors (2153701).

39221339 is a wasteful number, since it uses less digits than its factorization.

39221339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489.

The product of its digits is 8748, while the sum is 32.

The square root of 39221339 is about 6262.6942285250. The cubic root of 39221339 is about 339.7614791913.

The spelling of 39221339 in words is "thirty-nine million, two hundred twenty-one thousand, three hundred thirty-nine".