206928954 has 24 divisors (see below), whose sum is σ = 448861140. Its totient is φ = 68897088.

The previous prime is 206928923. The next prime is 206928971. The reversal of 206928954 is 459829602.

It can be written as a sum of positive squares in 2 ways, for example, as 206928225 + 729 = 14385^2 + 27^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10732 + ... + 23000.

Almost surely, 2^206928954 is an apocalyptic number.

206928954 is an abundant number, since it is smaller than the sum of its proper divisors (241932186).

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

206928954 is a wasteful number, since it uses less digits than its factorization.

206928954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13214 (or 13211 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 206928954 is about 14385.0253388724. The cubic root of 206928954 is about 591.4804856861.

It can be divided in two parts, 20692 and 8954, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 206928954 in words is "two hundred six million, nine hundred twenty-eight thousand, nine hundred fifty-four".