2684001 has 4 divisors (see below), whose sum is σ = 3578672. Its totient is φ = 1789332.

The previous prime is 2683999. The next prime is 2684021. The reversal of 2684001 is 1004862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2684001 - 2¹ = 2683999 is a prime.

It is a super-2 number, since 2×2684001² = 14407722736002, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2684021) 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, 447331 + ... + 447336.

It is an arithmetic number, because the mean of its divisors is an integer number (894668).

2^2684001 is an apocalyptic number.

It is an amenable number.

2684001 is a deficient number, since it is larger than the sum of its proper divisors (894671).

2684001 is an equidigital number, since it uses as much as digits as its factorization.

2684001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894670.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2684001 is about 1638.2920984977. The cubic root of 2684001 is about 138.9720800331.

Adding to 2684001 its reverse (1004862), we get a palindrome (3688863).

The spelling of 2684001 in words is "two million, six hundred eighty-four thousand, one".