206423486 has 16 divisors (see below), whose sum is σ = 345105360. Its totient is φ = 92027520.

The previous prime is 206423473. The next prime is 206423509. The reversal of 206423486 is 684324602.

It is a super-2 number, since 2×206423486² = 85221311144784392, which contains 22 as substring.

It is a congruent number.

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, 159125 + ... + 160416.

It is an arithmetic number, because the mean of its divisors is an integer number (21569085).

Almost surely, 2^206423486 is an apocalyptic number.

206423486 is a deficient number, since it is larger than the sum of its proper divisors (138681874).

206423486 is a wasteful number, since it uses less digits than its factorization.

206423486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319579.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 206423486 is about 14367.4453539939. The cubic root of 206423486 is about 590.9984873649.

The spelling of 206423486 in words is "two hundred six million, four hundred twenty-three thousand, four hundred eighty-six".