2154334 has 48 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 798336.

The previous prime is 2154331. The next prime is 2154389. The reversal of 2154334 is 4334512.

2154334 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24162 + ... + 24250.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

2^2154334 is an apocalyptic number.

2154334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2154334 is a wasteful number, since it uses less digits than its factorization.

2154334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 130 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 2154334 is about 1467.7649675612. The cubic root of 2154334 is about 129.1529544005.

Adding to 2154334 its reverse (4334512), we get a palindrome (6488846).

The spelling of 2154334 in words is "two million, one hundred fifty-four thousand, three hundred thirty-four".