3421892985 has 16 divisors (see below), whose sum is σ = 6257175936. Its totient is φ = 1564293888.

The previous prime is 3421892963. The next prime is 3421892987. The reversal of 3421892985 is 5892981243.

It is not a de Polignac number, because 3421892985 - 2⁶ = 3421892921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3421892987) 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, 16294624 + ... + 16294833.

It is an arithmetic number, because the mean of its divisors is an integer number (391073496).

Almost surely, 2^3421892985 is an apocalyptic number.

3421892985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3421892985 is a deficient number, since it is larger than the sum of its proper divisors (2835282951).

3421892985 is a wasteful number, since it uses less digits than its factorization.

3421892985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32589472.

The product of its digits is 1244160, while the sum is 51.

The square root of 3421892985 is about 58496.9485101573. The cubic root of 3421892985 is about 1506.9151800885.

The spelling of 3421892985 in words is "three billion, four hundred twenty-one million, eight hundred ninety-two thousand, nine hundred eighty-five".