242421377 has 8 divisors (see below), whose sum is σ = 280016352. Its totient is φ = 207419200.

The previous prime is 242421371. The next prime is 242421379. The reversal of 242421377 is 773124242.

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

It is a cyclic number.

It is not a de Polignac number, because 242421377 - 2⁶ = 242421313 is a prime.

It is a super-2 number, since 2×242421377² = 117536248053152258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242421371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647999 + ... + 648372.

It is an arithmetic number, because the mean of its divisors is an integer number (35002044).

Almost surely, 2^242421377 is an apocalyptic number.

It is an amenable number.

242421377 is a deficient number, since it is larger than the sum of its proper divisors (37594975).

242421377 is a wasteful number, since it uses less digits than its factorization.

242421377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296399.

The product of its digits is 18816, while the sum is 32.

The square root of 242421377 is about 15569.8868653565. The cubic root of 242421377 is about 623.5294510643.

The spelling of 242421377 in words is "two hundred forty-two million, four hundred twenty-one thousand, three hundred seventy-seven".