3890001 has 8 divisors (see below), whose sum is σ = 5237440. Its totient is φ = 2567952.

The previous prime is 3889993. The next prime is 3890011. The reversal of 3890001 is 1000983.

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

It is not a de Polignac number, because 3890001 - 2³ = 3889993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3890001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5986 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (654680).

Almost surely, 2^3890001 is an apocalyptic number.

It is an amenable number.

3890001 is a deficient number, since it is larger than the sum of its proper divisors (1347439).

3890001 is a wasteful number, since it uses less digits than its factorization.

3890001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12695.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 3890001 is about 1972.3085458416. The cubic root of 3890001 is about 157.2714548673.

Adding to 3890001 its reverse (1000983), we get a palindrome (4890984).

The spelling of 3890001 in words is "three million, eight hundred ninety thousand, one".