420986211 has 16 divisors (see below), whose sum is σ = 604602240. Its totient is φ = 259701120.

The previous prime is 420986207. The next prime is 420986219. The reversal of 420986211 is 112689024.

It is not a de Polignac number, because 420986211 - 2² = 420986207 is a prime.

It is a super-3 number, since 3×420986211³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (420986219) 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 15 ways as a sum of consecutive naturals, for example, 83430 + ... + 88331.

It is an arithmetic number, because the mean of its divisors is an integer number (37787640).

Almost surely, 2^420986211 is an apocalyptic number.

420986211 is a deficient number, since it is larger than the sum of its proper divisors (183616029).

420986211 is a wasteful number, since it uses less digits than its factorization.

420986211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171826.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 420986211 is about 20517.9485085620. The cubic root of 420986211 is about 749.4729399192.

The spelling of 420986211 in words is "four hundred twenty million, nine hundred eighty-six thousand, two hundred eleven".