2154066 has 32 divisors (see below), whose sum is σ = 4581888. Its totient is φ = 673920.

The previous prime is 2154059. The next prime is 2154071. The reversal of 2154066 is 6604512.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6726 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (143184).

2^2154066 is an apocalyptic number.

2154066 is an abundant number, since it is smaller than the sum of its proper divisors (2427822).

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

2154066 is a wasteful number, since it uses less digits than its factorization.

2154066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2154066 is about 1467.6736694511. The cubic root of 2154066 is about 129.1475986189.

Adding to 2154066 its reverse (6604512), we get a palindrome (8758578).

The spelling of 2154066 in words is "two million, one hundred fifty-four thousand, sixty-six".