206932890 has 32 divisors (see below), whose sum is σ = 498491136. Its totient is φ = 54976320.

The previous prime is 206932889. The next prime is 206932907. The reversal of 206932890 is 98239602.

206932890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 4597 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (15577848).

Almost surely, 2^206932890 is an apocalyptic number.

206932890 is an abundant number, since it is smaller than the sum of its proper divisors (291558246).

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

206932890 is a wasteful number, since it uses less digits than its factorization.

206932890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25734.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 206932890 is about 14385.1621471570. The cubic root of 206932890 is about 591.4842358499.

The spelling of 206932890 in words is "two hundred six million, nine hundred thirty-two thousand, eight hundred ninety".