2129234 has 8 divisors (see below), whose sum is σ = 3214668. Its totient is φ = 1057680.

The previous prime is 2129227. The next prime is 2129261. The reversal of 2129234 is 4329212.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 41209 = 1445^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon 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, 3077 + ... + 3704.

2^2129234 is an apocalyptic number.

2129234 is a deficient number, since it is larger than the sum of its proper divisors (1085434).

2129234 is a wasteful number, since it uses less digits than its factorization.

2129234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940.

The product of its digits is 864, while the sum is 23.

The square root of 2129234 is about 1459.1895010587. The cubic root of 2129234 is about 128.6494096012.

The spelling of 2129234 in words is "two million, one hundred twenty-nine thousand, two hundred thirty-four".