424243434 has 16 divisors (see below), whose sum is σ = 848693088. Its totient is φ = 141380112.

The previous prime is 424243433. The next prime is 424243439. The reversal of 424243434 is 434342424.

It is a super-2 number, since 2×424243434² = 359964982584224712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (424243433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35784 + ... + 46140.

It is an arithmetic number, because the mean of its divisors is an integer number (53043318).

Almost surely, 2^424243434 is an apocalyptic number.

424243434 is an abundant number, since it is smaller than the sum of its proper divisors (424449654).

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

424243434 is a wasteful number, since it uses less digits than its factorization.

424243434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17189.

The product of its digits is 36864, while the sum is 30.

The square root of 424243434 is about 20597.1705338379. The cubic root of 424243434 is about 751.4008981278.

Adding to 424243434 its reverse (434342424), we get a palindrome (858585858).

The spelling of 424243434 in words is "four hundred twenty-four million, two hundred forty-three thousand, four hundred thirty-four".