242763686 has 16 divisors (see below), whose sum is σ = 398841408. Its totient is φ = 109905000.

The previous prime is 242763683. The next prime is 242763707. The reversal of 242763686 is 686367242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242763683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16460 + ... + 27503.

It is an arithmetic number, because the mean of its divisors is an integer number (24927588).

Almost surely, 2^242763686 is an apocalyptic number.

242763686 is a deficient number, since it is larger than the sum of its proper divisors (156077722).

242763686 is a wasteful number, since it uses less digits than its factorization.

242763686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44227.

The product of its digits is 580608, while the sum is 44.

The square root of 242763686 is about 15580.8756493337. The cubic root of 242763686 is about 623.8227961512.

The spelling of 242763686 in words is "two hundred forty-two million, seven hundred sixty-three thousand, six hundred eighty-six".