242449837 has 8 divisors (see below), whose sum is σ = 278329856. Its totient is φ = 206880912.

The previous prime is 242449817. The next prime is 242449897. The reversal of 242449837 is 738944242.

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

It is not a de Polignac number, because 242449837 - 2²⁷ = 108232109 is a prime.

It is a super-2 number, since 2×242449837² = 117563846922653138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242449793 and 242449802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242449817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76098 + ... + 79219.

It is an arithmetic number, because the mean of its divisors is an integer number (34791232).

Almost surely, 2^242449837 is an apocalyptic number.

It is an amenable number.

242449837 is a deficient number, since it is larger than the sum of its proper divisors (35880019).

242449837 is a wasteful number, since it uses less digits than its factorization.

242449837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155547.

The product of its digits is 387072, while the sum is 43.

The square root of 242449837 is about 15570.8007822334. The cubic root of 242449837 is about 623.5538506642.

The spelling of 242449837 in words is "two hundred forty-two million, four hundred forty-nine thousand, eight hundred thirty-seven".