2628401 has 2 divisors, whose sum is σ = 2628402. Its totient is φ = 2628400.

The previous prime is 2628383. The next prime is 2628407. The reversal of 2628401 is 1048262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 600625 = 1424^2 + 775^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628401 - 2¹⁴ = 2612017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2628407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314200 + 1314201.

It is an arithmetic number, because the mean of its divisors is an integer number (1314201).

2^2628401 is an apocalyptic number.

It is an amenable number.

2628401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628401 is an equidigital number, since it uses as much as digits as its factorization.

2628401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2628401 is about 1621.2344062473. The cubic root of 2628401 is about 138.0057583538.

The spelling of 2628401 in words is "two million, six hundred twenty-eight thousand, four hundred one".