3420430085 has 16 divisors (see below), whose sum is σ = 4248115200. Its totient is φ = 2640703296.

The previous prime is 3420430081. The next prime is 3420430093. The reversal of 3420430085 is 5800340243.

It is a cyclic number.

It is not a de Polignac number, because 3420430085 - 2² = 3420430081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420430081) 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, 385226 + ... + 394004.

It is an arithmetic number, because the mean of its divisors is an integer number (265507200).

Almost surely, 2^3420430085 is an apocalyptic number.

It is an amenable number.

3420430085 is a deficient number, since it is larger than the sum of its proper divisors (827685115).

3420430085 is a wasteful number, since it uses less digits than its factorization.

3420430085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3420430085 is about 58484.4431024183. The cubic root of 3420430085 is about 1506.7004080850.

The spelling of 3420430085 in words is "three billion, four hundred twenty million, four hundred thirty thousand, eighty-five".