206734842 has 40 divisors (see below), whose sum is σ = 465312276. Its totient is φ = 68603328.

The previous prime is 206734837. The next prime is 206734849. The reversal of 206734842 is 248437602.

206734842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 196868961 + 9865881 = 14031^2 + 3141^2 .

It is a super-3 number, since 3×206734842³ (a number of 26 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 206734797 and 206734806.

It is not an unprimeable number, because it can be changed into a prime (206734849) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35008 + ... + 40484.

Almost surely, 2^206734842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206734842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232656138).

206734842 is an abundant number, since it is smaller than the sum of its proper divisors (258577434).

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

206734842 is a wasteful number, since it uses less digits than its factorization.

206734842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724 (or 5715 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 206734842 is about 14378.2767395818. The cubic root of 206734842 is about 591.2954795488.

The spelling of 206734842 in words is "two hundred six million, seven hundred thirty-four thousand, eight hundred forty-two".