434141021 has 8 divisors (see below), whose sum is σ = 448364160. Its totient is φ = 420125728.

The previous prime is 434140997. The next prime is 434141023. The reversal of 434141021 is 120141434.

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

It is a cyclic number.

It is not a de Polignac number, because 434141021 - 2¹⁴ = 434124637 is a prime.

It is a super-2 number, since 2×434141021² = 376956852229844882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 434140984 and 434141002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434141023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47711 + ... + 56076.

It is an arithmetic number, because the mean of its divisors is an integer number (56045520).

Almost surely, 2^434141021 is an apocalyptic number.

It is an amenable number.

434141021 is a deficient number, since it is larger than the sum of its proper divisors (14223139).

434141021 is a wasteful number, since it uses less digits than its factorization.

434141021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103923.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 434141021 is about 20836.0509934104. The cubic root of 434141021 is about 757.1994231298.

Adding to 434141021 its reverse (120141434), we get a palindrome (554282455).

The spelling of 434141021 in words is "four hundred thirty-four million, one hundred forty-one thousand, twenty-one".