434121442 has 8 divisors (see below), whose sum is σ = 651275100. Its totient is φ = 217029744.

The previous prime is 434121431. The next prime is 434121461. The reversal of 434121442 is 244121434.

It can be written as a sum of positive squares in 2 ways, for example, as 355284801 + 78836641 = 18849^2 + 8879^2 .

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

It is a super-2 number, since 2×434121442² = 376922852808318728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11284 + ... + 31552.

Almost surely, 2^434121442 is an apocalyptic number.

434121442 is a deficient number, since it is larger than the sum of its proper divisors (217153658).

434121442 is a wasteful number, since it uses less digits than its factorization.

434121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30980.

The product of its digits is 3072, while the sum is 25.

The square root of 434121442 is about 20835.5811534020. The cubic root of 434121442 is about 757.1880401692.

Adding to 434121442 its reverse (244121434), we get a palindrome (678242876).

The spelling of 434121442 in words is "four hundred thirty-four million, one hundred twenty-one thousand, four hundred forty-two".