2154064 has 20 divisors (see below), whose sum is σ = 4553280. Its totient is φ = 979040.

The previous prime is 2154059. The next prime is 2154071. The reversal of 2154064 is 4604512.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5944 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

2^2154064 is an apocalyptic number.

It is an amenable number.

2154064 is an abundant number, since it is smaller than the sum of its proper divisors (2399216).

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

2154064 is a wasteful number, since it uses less digits than its factorization.

2154064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12258 (or 12252 counting only the distinct ones).

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

The square root of 2154064 is about 1467.6729881006. The cubic root of 2154064 is about 129.1475586487.

Adding to 2154064 its product of nonzero digits (960), we get a square (2155024 = 1468²).

Adding to 2154064 its reverse (4604512), we get a palindrome (6758576).

The spelling of 2154064 in words is "two million, one hundred fifty-four thousand, sixty-four".