206430674 has 16 divisors (see below), whose sum is σ = 326439936. Its totient is φ = 97759200.

The previous prime is 206430667. The next prime is 206430691. The reversal of 206430674 is 476034602.

206430674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206430674² = 85227246336188552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206430674.

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, 32507 + ... + 38334.

It is an arithmetic number, because the mean of its divisors is an integer number (20402496).

Almost surely, 2^206430674 is an apocalyptic number.

206430674 is a deficient number, since it is larger than the sum of its proper divisors (120009262).

206430674 is a wasteful number, since it uses less digits than its factorization.

206430674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70921.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 206430674 is about 14367.6955006709. The cubic root of 206430674 is about 591.0053471267.

The spelling of 206430674 in words is "two hundred six million, four hundred thirty thousand, six hundred seventy-four".