2159450 has 12 divisors (see below), whose sum is σ = 4016670. Its totient is φ = 863760.

The previous prime is 2159449. The next prime is 2159453. The reversal of 2159450 is 549512.

2159450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 942841 + 1216609 = 971^2 + 1103^2 .

It is not an unprimeable number, because it can be changed into a prime (2159453) 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 in 5 ways as a sum of consecutive naturals, for example, 21545 + ... + 21644.

2^2159450 is an apocalyptic number.

2159450 is a deficient number, since it is larger than the sum of its proper divisors (1857220).

2159450 is a wasteful number, since it uses less digits than its factorization.

2159450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43201 (or 43196 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2159450 is about 1469.5067199574. The cubic root of 2159450 is about 129.2551088124.

The spelling of 2159450 in words is "two million, one hundred fifty-nine thousand, four hundred fifty".