2963621 has 2 divisors, whose sum is σ = 2963622. Its totient is φ = 2963620.

The previous prime is 2963617. The next prime is 2963647. The reversal of 2963621 is 1263692.

2963621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2927521 + 36100 = 1711^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 2963621 - 2² = 2963617 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 9⁶ + 6⁶ + 3⁵ + 6⁷ + 2²¹ + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2963671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1481810 + 1481811.

It is an arithmetic number, because the mean of its divisors is an integer number (1481811).

2^2963621 is an apocalyptic number.

It is an amenable number.

2963621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2963621 is an equidigital number, since it uses as much as digits as its factorization.

2963621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 2963621 is about 1721.5170635228. The cubic root of 2963621 is about 143.6396112821.

The spelling of 2963621 in words is "two million, nine hundred sixty-three thousand, six hundred twenty-one".