206423914 has 16 divisors (see below), whose sum is σ = 322367400. Its totient is φ = 99013824.

The previous prime is 206423897. The next prime is 206423933. The reversal of 206423914 is 419324602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 199741689 + 6682225 = 14133^2 + 2585^2 .

It is a super-2 number, since 2×206423914² = 85221664542158792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 20440.

Almost surely, 2^206423914 is an apocalyptic number.

206423914 is a deficient number, since it is larger than the sum of its proper divisors (115943486).

206423914 is a wasteful number, since it uses less digits than its factorization.

206423914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22857.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 206423914 is about 14367.4602487705. The cubic root of 206423914 is about 590.9988958249.

The spelling of 206423914 in words is "two hundred six million, four hundred twenty-three thousand, nine hundred fourteen".