659471406 has 32 divisors (see below), whose sum is σ = 1439762688. Its totient is φ = 199712640.

The previous prime is 659471383. The next prime is 659471411. The reversal of 659471406 is 604174956.

It is a congruent number.

It is an unprimeable number.

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, 185215 + ... + 188741.

It is an arithmetic number, because the mean of its divisors is an integer number (44992584).

Almost surely, 2^659471406 is an apocalyptic number.

659471406 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

659471406 is an abundant number, since it is smaller than the sum of its proper divisors (780291282).

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

659471406 is a wasteful number, since it uses less digits than its factorization.

659471406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 659471406 is about 25680.1753498686. The cubic root of 659471406 is about 870.4262701674.

The spelling of 659471406 in words is "six hundred fifty-nine million, four hundred seventy-one thousand, four hundred six".