2154204 has 36 divisors (see below), whose sum is σ = 5865496. Its totient is φ = 662688.

The previous prime is 2154193. The next prime is 2154209. The reversal of 2154204 is 4024512.

2154204 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154209) 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, 1834 + ... + 2769.

2^2154204 is an apocalyptic number.

It is an amenable number.

2154204 is an abundant number, since it is smaller than the sum of its proper divisors (3711292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154204 is a wasteful number, since it uses less digits than its factorization.

2154204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4621 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2154204 is about 1467.7206818738. The cubic root of 2154204 is about 129.1503565022.

Adding to 2154204 its reverse (4024512), we get a palindrome (6178716).

The spelling of 2154204 in words is "two million, one hundred fifty-four thousand, two hundred four".