242449392 has 20 divisors (see below), whose sum is σ = 626327720. Its totient is φ = 80816448.

The previous prime is 242449387. The next prime is 242449397. The reversal of 242449392 is 293944242.

It is an interprime number because it is at equal distance from previous prime (242449387) and next prime (242449397).

It is a self number, because there is not a number n which added to its sum of digits gives 242449392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242449397) 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, 2525467 + ... + 2525562.

It is an arithmetic number, because the mean of its divisors is an integer number (31316386).

Almost surely, 2^242449392 is an apocalyptic number.

It is an amenable number.

242449392 is an abundant number, since it is smaller than the sum of its proper divisors (383878328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242449392 is a wasteful number, since it uses less digits than its factorization.

242449392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051040 (or 5051034 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 242449392 is about 15570.7864926599. The cubic root of 242449392 is about 623.5534691672.

The spelling of 242449392 in words is "two hundred forty-two million, four hundred forty-nine thousand, three hundred ninety-two".