3939202 has 8 divisors (see below), whose sum is σ = 5967612. Its totient is φ = 1950000.

The previous prime is 3939191. The next prime is 3939203. The reversal of 3939202 is 2029393.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3568321 + 370881 = 1889^2 + 609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3939203) 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, 9549 + ... + 9952.

Almost surely, 2^3939202 is an apocalyptic number.

3939202 is a deficient number, since it is larger than the sum of its proper divisors (2028410).

3939202 is a wasteful number, since it uses less digits than its factorization.

3939202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19604.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3939202 is about 1984.7423006527. The cubic root of 3939202 is about 157.9317389265.

The spelling of 3939202 in words is "three million, nine hundred thirty-nine thousand, two hundred two".