207998242 has 8 divisors (see below), whose sum is σ = 312210000. Its totient is φ = 103928244.

The previous prime is 207998221. The next prime is 207998257. The reversal of 207998242 is 242899702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31692 + ... + 37687.

It is an arithmetic number, because the mean of its divisors is an integer number (39026250).

Almost surely, 2^207998242 is an apocalyptic number.

207998242 is a deficient number, since it is larger than the sum of its proper divisors (104211758).

207998242 is a wasteful number, since it uses less digits than its factorization.

207998242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70880.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 207998242 is about 14422.1441540431. The cubic root of 207998242 is about 592.4975444242.

The spelling of 207998242 in words is "two hundred seven million, nine hundred ninety-eight thousand, two hundred forty-two".