2164903 has 8 divisors (see below), whose sum is σ = 2344496. Its totient is φ = 1987200.

The previous prime is 2164901. The next prime is 2164919. The reversal of 2164903 is 3094612.

2164903 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164903 - 2¹ = 2164901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2788 + ... + 3478.

It is an arithmetic number, because the mean of its divisors is an integer number (293062).

2^2164903 is an apocalyptic number.

2164903 is a deficient number, since it is larger than the sum of its proper divisors (179593).

2164903 is a wasteful number, since it uses less digits than its factorization.

2164903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2164903 is about 1471.3609346452. The cubic root of 2164903 is about 129.3638148358.

The spelling of 2164903 in words is "two million, one hundred sixty-four thousand, nine hundred three".