206713936 has 80 divisors (see below), whose sum is σ = 474219648. Its totient is φ = 86054400.

The previous prime is 206713919. The next prime is 206713987. The reversal of 206713936 is 639317602.

It is a super-2 number, since 2×206713936² = 85461302673224192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206713895 and 206713904.

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, 381826 + ... + 382366.

Almost surely, 2^206713936 is an apocalyptic number.

206713936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206713936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237109824).

206713936 is an abundant number, since it is smaller than the sum of its proper divisors (267505712).

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

206713936 is a wasteful number, since it uses less digits than its factorization.

206713936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 206713936 is about 14377.5497217015. The cubic root of 206713936 is about 591.2755473498.

The spelling of 206713936 in words is "two hundred six million, seven hundred thirteen thousand, nine hundred thirty-six".