206974242 has 24 divisors (see below), whose sum is σ = 456047280. Its totient is φ = 67821720.

The previous prime is 206974241. The next prime is 206974283. The reversal of 206974242 is 242479602.

It is a junction number, because it is equal to n+sod(n) for n = 206974197 and 206974206.

It is not an unprimeable number, because it can be changed into a prime (206974241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96384 + ... + 98507.

It is an arithmetic number, because the mean of its divisors is an integer number (19001970).

Almost surely, 2^206974242 is an apocalyptic number.

206974242 is an abundant number, since it is smaller than the sum of its proper divisors (249073038).

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

206974242 is a wasteful number, since it uses less digits than its factorization.

206974242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194958 (or 194955 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 206974242 is about 14386.5993897099. The cubic root of 206974242 is about 591.5236325630.

The spelling of 206974242 in words is "two hundred six million, nine hundred seventy-four thousand, two hundred forty-two".