3890006 has 4 divisors (see below), whose sum is σ = 5835012. Its totient is φ = 1945002.

The previous prime is 3889993. The next prime is 3890011. The reversal of 3890006 is 6000983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972500 + ... + 972503.

It is an arithmetic number, because the mean of its divisors is an integer number (1458753).

Almost surely, 2^3890006 is an apocalyptic number.

3890006 is a deficient number, since it is larger than the sum of its proper divisors (1945006).

3890006 is a wasteful number, since it uses less digits than its factorization.

3890006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945005.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3890006 is about 1972.3098133914. The cubic root of 3890006 is about 157.2715222500.

Adding to 3890006 its reverse (6000983), we get a palindrome (9890989).

The spelling of 3890006 in words is "three million, eight hundred ninety thousand, six".