420089658 has 32 divisors (see below), whose sum is σ = 886766400. Its totient is φ = 132304896.

The previous prime is 420089647. The next prime is 420089693. The reversal of 420089658 is 856980024.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39610 + ... + 49082.

It is an arithmetic number, because the mean of its divisors is an integer number (27711450).

Almost surely, 2^420089658 is an apocalyptic number.

420089658 is an abundant number, since it is smaller than the sum of its proper divisors (466676742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420089658 is a wasteful number, since it uses less digits than its factorization.

420089658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9886.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 420089658 is about 20496.0888464116. The cubic root of 420089658 is about 748.9405236067.

The spelling of 420089658 in words is "four hundred twenty million, eighty-nine thousand, six hundred fifty-eight".