2164450 has 24 divisors (see below), whose sum is σ = 4087908. Its totient is φ = 852480.

The previous prime is 2164447. The next prime is 2164453. The reversal of 2164450 is 544612.

It is an interprime number because it is at equal distance from previous prime (2164447) and next prime (2164453).

It can be written as a sum of positive squares in 6 ways, for example, as 974169 + 1190281 = 987^2 + 1091^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354 + ... + 3946.

2^2164450 is an apocalyptic number.

2164450 is a deficient number, since it is larger than the sum of its proper divisors (1923458).

2164450 is a wasteful number, since it uses less digits than its factorization.

2164450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2164450 is about 1471.2069874766. The cubic root of 2164450 is about 129.3547911989.

The spelling of 2164450 in words is "two million, one hundred sixty-four thousand, four hundred fifty".