206961236 has 12 divisors (see below), whose sum is σ = 370605312. Its totient is φ = 101074008.

The previous prime is 206961217. The next prime is 206961241. The reversal of 206961236 is 632169602.

It is a junction number, because it is equal to n+sod(n) for n = 206961196 and 206961205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601460 + ... + 601803.

It is an arithmetic number, because the mean of its divisors is an integer number (30883776).

Almost surely, 2^206961236 is an apocalyptic number.

It is an amenable number.

206961236 is a deficient number, since it is larger than the sum of its proper divisors (163644076).

206961236 is a wasteful number, since it uses less digits than its factorization.

206961236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203310 (or 1203308 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 206961236 is about 14386.1473647395. The cubic root of 206961236 is about 591.5112421041.

The spelling of 206961236 in words is "two hundred six million, nine hundred sixty-one thousand, two hundred thirty-six".