242747386 has 32 divisors (see below), whose sum is σ = 450012672. Its totient is φ = 95827200.

The previous prime is 242747381. The next prime is 242747399. The reversal of 242747386 is 683747242.

It is not an unprimeable number, because it can be changed into a prime (242747381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336 + ... + 22036.

It is an arithmetic number, because the mean of its divisors is an integer number (14062896).

Almost surely, 2^242747386 is an apocalyptic number.

242747386 is a deficient number, since it is larger than the sum of its proper divisors (207265286).

242747386 is a wasteful number, since it uses less digits than its factorization.

242747386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21774.

The product of its digits is 451584, while the sum is 43.

The square root of 242747386 is about 15580.3525634050. The cubic root of 242747386 is about 623.8088339598.

The spelling of 242747386 in words is "two hundred forty-two million, seven hundred forty-seven thousand, three hundred eighty-six".