206897046 has 16 divisors (see below), whose sum is σ = 415335600. Its totient is φ = 68708768.

The previous prime is 206897017. The next prime is 206897059. The reversal of 206897046 is 640798602.

It is a super-2 number, since 2×206897046² = 85612775287052232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206896989 and 206897007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62481 + ... + 65708.

It is an arithmetic number, because the mean of its divisors is an integer number (25958475).

Almost surely, 2^206897046 is an apocalyptic number.

206897046 is an abundant number, since it is smaller than the sum of its proper divisors (208438554).

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

206897046 is a wasteful number, since it uses less digits than its factorization.

206897046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128463.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 206897046 is about 14383.9162261187. The cubic root of 206897046 is about 591.4500824501.

The spelling of 206897046 in words is "two hundred six million, eight hundred ninety-seven thousand, forty-six".