206083988 has 24 divisors (see below), whose sum is σ = 393803424. Its totient is φ = 93586400.

The previous prime is 206083987. The next prime is 206084003. The reversal of 206083988 is 889380602.

It is a super-2 number, since 2×206083988² = 84941220219968288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206083987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77318 + ... + 79938.

It is an arithmetic number, because the mean of its divisors is an integer number (16408476).

Almost surely, 2^206083988 is an apocalyptic number.

It is an amenable number.

206083988 is a deficient number, since it is larger than the sum of its proper divisors (187719436).

206083988 is a wasteful number, since it uses less digits than its factorization.

206083988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 206083988 is about 14355.6256568636. The cubic root of 206083988 is about 590.6743109096.

The spelling of 206083988 in words is "two hundred six million, eighty-three thousand, nine hundred eighty-eight".