206612432 has 40 divisors (see below), whose sum is σ = 435987720. Its totient is φ = 94279680.

The previous prime is 206612431. The next prime is 206612437. The reversal of 206612432 is 234216602.

It can be written as a sum of positive squares in 4 ways, for example, as 16613776 + 189998656 = 4076^2 + 13784^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206612431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12932 + ... + 24092.

It is an arithmetic number, because the mean of its divisors is an integer number (10899693).

Almost surely, 2^206612432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206612432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217993860).

206612432 is an abundant number, since it is smaller than the sum of its proper divisors (229375288).

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

206612432 is a wasteful number, since it uses less digits than its factorization.

206612432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271 (or 11265 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 206612432 is about 14374.0193404628. The cubic root of 206612432 is about 591.1787522966.

The spelling of 206612432 in words is "two hundred six million, six hundred twelve thousand, four hundred thirty-two".