2421234 has 12 divisors (see below), whose sum is σ = 5246046. Its totient is φ = 807072.

The previous prime is 2421229. The next prime is 2421247. The reversal of 2421234 is 4321242.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 558009 = 1365^2 + 747^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 134513 = 2421234 / (2 + 4 + 2 + 1 + 2 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67239 + ... + 67274.

2^2421234 is an apocalyptic number.

2421234 is an abundant number, since it is smaller than the sum of its proper divisors (2824812).

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

2421234 is a wasteful number, since it uses less digits than its factorization.

2421234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134521 (or 134518 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2421234 is about 1556.0314906839. The cubic root of 2421234 is about 134.2802850852.

Adding to 2421234 its reverse (4321242), we get a palindrome (6742476).

The spelling of 2421234 in words is "two million, four hundred twenty-one thousand, two hundred thirty-four".