2921234 has 4 divisors (see below), whose sum is σ = 4381854. Its totient is φ = 1460616.

The previous prime is 2921227. The next prime is 2921239. The reversal of 2921234 is 4321292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2900209 + 21025 = 1703^2 + 145^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2921239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730307 + ... + 730310.

2^2921234 is an apocalyptic number.

2921234 is a deficient number, since it is larger than the sum of its proper divisors (1460620).

2921234 is a wasteful number, since it uses less digits than its factorization.

2921234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460619.

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

The square root of 2921234 is about 1709.1617828632. The cubic root of 2921234 is about 142.9515215397.

The spelling of 2921234 in words is "two million, nine hundred twenty-one thousand, two hundred thirty-four".