206389292 has 12 divisors (see below), whose sum is σ = 361410840. Its totient is φ = 103129056.

The previous prime is 206389283. The next prime is 206389297. The reversal of 206389292 is 292983602.

It is a super-2 number, since 2×206389292² = 85193079704522528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206389297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8942 + ... + 22197.

It is an arithmetic number, because the mean of its divisors is an integer number (30117570).

Almost surely, 2^206389292 is an apocalyptic number.

It is an amenable number.

206389292 is a deficient number, since it is larger than the sum of its proper divisors (155021548).

206389292 is a wasteful number, since it uses less digits than its factorization.

206389292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32800 (or 32798 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 206389292 is about 14366.2553228042. The cubic root of 206389292 is about 590.9658526446.

The spelling of 206389292 in words is "two hundred six million, three hundred eighty-nine thousand, two hundred ninety-two".