206453992 has 8 divisors (see below), whose sum is σ = 387101250. Its totient is φ = 103226992.

The previous prime is 206453977. The next prime is 206454029. The reversal of 206453992 is 299354602.

206453992 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 only one way, i.e., 198979236 + 7474756 = 14106^2 + 2734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12903367 + ... + 12903382.

Almost surely, 2^206453992 is an apocalyptic number.

It is an amenable number.

206453992 is a deficient number, since it is larger than the sum of its proper divisors (180647258).

206453992 is a wasteful number, since it uses less digits than its factorization.

206453992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25806755 (or 25806751 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 206453992 is about 14368.5069509675. The cubic root of 206453992 is about 591.0275992200.

The spelling of 206453992 in words is "two hundred six million, four hundred fifty-three thousand, nine hundred ninety-two".