206311470 has 32 divisors (see below), whose sum is σ = 495592992. Its totient is φ = 54966912.

The previous prime is 206311453. The next prime is 206311493. The reversal of 206311470 is 74113602.

It is a self number, because there is not a number n which added to its sum of digits gives 206311470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41224 + ... + 45956.

It is an arithmetic number, because the mean of its divisors is an integer number (15487281).

Almost surely, 2^206311470 is an apocalyptic number.

206311470 is an abundant number, since it is smaller than the sum of its proper divisors (289281522).

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

206311470 is a wasteful number, since it uses less digits than its factorization.

206311470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 206311470 is about 14363.5465676134. The cubic root of 206311470 is about 590.8915659640.

The spelling of 206311470 in words is "two hundred six million, three hundred eleven thousand, four hundred seventy".