2628001 has 4 divisors (see below), whose sum is σ = 2631600. Its totient is φ = 2624404.

The previous prime is 2627993. The next prime is 2628053. The reversal of 2628001 is 1008262.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2628001 - 2³ = 2627993 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 2628001.

It is not an unprimeable number, because it can be changed into a prime (2628401) 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, 271 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (657900).

2^2628001 is an apocalyptic number.

It is an amenable number.

2628001 is a deficient number, since it is larger than the sum of its proper divisors (3599).

2628001 is a wasteful number, since it uses less digits than its factorization.

2628001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2628001 is about 1621.1110387632. Note that the first 3 decimals coincide. The cubic root of 2628001 is about 137.9987572527.

The spelling of 2628001 in words is "two million, six hundred twenty-eight thousand, one".