2421434 has 4 divisors (see below), whose sum is σ = 3632154. Its totient is φ = 1210716.

The previous prime is 2421421. The next prime is 2421439. The reversal of 2421434 is 4341242.

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., 1329409 + 1092025 = 1153^2 + 1045^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 4² + 2²¹ + 1 + 4⁵ + 3¹⁰ + 4⁹ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2421439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605357 + ... + 605360.

2^2421434 is an apocalyptic number.

2421434 is a deficient number, since it is larger than the sum of its proper divisors (1210720).

2421434 is a wasteful number, since it uses less digits than its factorization.

2421434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210719.

The product of its digits is 768, while the sum is 20.

The square root of 2421434 is about 1556.0957554084. The cubic root of 2421434 is about 134.2839822795.

Adding to 2421434 its reverse (4341242), we get a palindrome (6762676).

The spelling of 2421434 in words is "two million, four hundred twenty-one thousand, four hundred thirty-four".