2154234 has 16 divisors (see below), whose sum is σ = 4322880. Its totient is φ = 715680.

The previous prime is 2154227. The next prime is 2154241. The reversal of 2154234 is 4324512.

It is an interprime number because it is at equal distance from previous prime (2154227) and next prime (2154241).

It is a self number, because there is not a number n which added to its sum of digits gives 2154234.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3099 + ... + 3729.

It is an arithmetic number, because the mean of its divisors is an integer number (270180).

2^2154234 is an apocalyptic number.

2154234 is an abundant number, since it is smaller than the sum of its proper divisors (2168646).

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

2154234 is a wasteful number, since it uses less digits than its factorization.

2154234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its digits is 960, while the sum is 21.

The square root of 2154234 is about 1467.7309017664. The cubic root of 2154234 is about 129.1509560265.

Adding to 2154234 its reverse (4324512), we get a palindrome (6478746).

The spelling of 2154234 in words is "two million, one hundred fifty-four thousand, two hundred thirty-four".