242644246 has 16 divisors (see below), whose sum is σ = 395564400. Its totient is φ = 110960928.

The previous prime is 242644219. The next prime is 242644249. The reversal of 242644246 is 642446242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242644249) 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, 39976 + ... + 45643.

It is an arithmetic number, because the mean of its divisors is an integer number (24722775).

Almost surely, 2^242644246 is an apocalyptic number.

242644246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242644246 is a deficient number, since it is larger than the sum of its proper divisors (152920154).

242644246 is a wasteful number, since it uses less digits than its factorization.

242644246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85743.

The product of its digits is 73728, while the sum is 34.

The square root of 242644246 is about 15577.0422738080. The cubic root of 242644246 is about 623.7204722014.

The spelling of 242644246 in words is "two hundred forty-two million, six hundred forty-four thousand, two hundred forty-six".