247241966 has 8 divisors (see below), whose sum is σ = 374145264. Its totient is φ = 122526880.

The previous prime is 247241963. The next prime is 247241971. The reversal of 247241966 is 669142742.

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

It is a super-2 number, since 2×247241966² = 122257179503090312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247241963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546770 + ... + 547221.

It is an arithmetic number, because the mean of its divisors is an integer number (46768158).

Almost surely, 2^247241966 is an apocalyptic number.

247241966 is a deficient number, since it is larger than the sum of its proper divisors (126903298).

247241966 is a wasteful number, since it uses less digits than its factorization.

247241966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094106.

The product of its digits is 145152, while the sum is 41.

The square root of 247241966 is about 15723.9297251037. The cubic root of 247241966 is about 627.6353499243.

The spelling of 247241966 in words is "two hundred forty-seven million, two hundred forty-one thousand, nine hundred sixty-six".