3920002 has 8 divisors (see below), whose sum is σ = 6039036. Its totient is φ = 1906992.

The previous prime is 3919999. The next prime is 3920003. The reversal of 3920002 is 2000293.

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 755161 = 1779^2 + 869^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3920003) 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, 26413 + ... + 26560.

Almost surely, 2^3920002 is an apocalyptic number.

3920002 is a deficient number, since it is larger than the sum of its proper divisors (2119034).

3920002 is a wasteful number, since it uses less digits than its factorization.

3920002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53012.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3920002 is about 1979.8994923985. The cubic root of 3920002 is about 157.6747300775.

Adding to 3920002 its reverse (2000293), we get a palindrome (5920295).

The spelling of 3920002 in words is "three million, nine hundred twenty thousand, two".