242628417 has 6 divisors (see below), whose sum is σ = 350463282. Its totient is φ = 161752272.

The previous prime is 242628401. The next prime is 242628427. The reversal of 242628417 is 714826242.

242628417 is a `hidden beast` number, since 24 + 2 + 628 + 4 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 242611776 + 16641 = 15576^2 + 129^2 .

It is not a de Polignac number, because 242628417 - 2⁴ = 242628401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242628427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13479348 + ... + 13479365.

It is an arithmetic number, because the mean of its divisors is an integer number (58410547).

Almost surely, 2^242628417 is an apocalyptic number.

It is an amenable number.

242628417 is a deficient number, since it is larger than the sum of its proper divisors (107834865).

242628417 is a wasteful number, since it uses less digits than its factorization.

242628417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26958719 (or 26958716 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 242628417 is about 15576.5341780513. The cubic root of 242628417 is about 623.7069090168.

The spelling of 242628417 in words is "two hundred forty-two million, six hundred twenty-eight thousand, four hundred seventeen".