434101985 has 16 divisors (see below), whose sum is σ = 534382464. Its totient is φ = 338349312.

The previous prime is 434101981. The next prime is 434102003. The reversal of 434101985 is 589101434.

It is a cyclic number.

It is not a de Polignac number, because 434101985 - 2² = 434101981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434101981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90764 + ... + 95426.

It is an arithmetic number, because the mean of its divisors is an integer number (33398904).

Almost surely, 2^434101985 is an apocalyptic number.

It is an amenable number.

434101985 is a deficient number, since it is larger than the sum of its proper divisors (100280479).

434101985 is a wasteful number, since it uses less digits than its factorization.

434101985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 434101985 is about 20835.1142305484. The cubic root of 434101985 is about 757.1767277987.

The spelling of 434101985 in words is "four hundred thirty-four million, one hundred one thousand, nine hundred eighty-five".