242693487 has 6 divisors (see below), whose sum is σ = 350557272. Its totient is φ = 161795652.

The previous prime is 242693453. The next prime is 242693509. The reversal of 242693487 is 784396242.

242693487 is a `hidden beast` number, since 242 + 69 + 348 + 7 = 666.

It is not a de Polignac number, because 242693487 - 2⁷ = 242693359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242693987) 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 5 ways as a sum of consecutive naturals, for example, 13482963 + ... + 13482980.

It is an arithmetic number, because the mean of its divisors is an integer number (58426212).

Almost surely, 2^242693487 is an apocalyptic number.

242693487 is a deficient number, since it is larger than the sum of its proper divisors (107863785).

242693487 is a wasteful number, since it uses less digits than its factorization.

242693487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26965949 (or 26965946 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 242693487 is about 15578.6227568421. The cubic root of 242693487 is about 623.7626609104.

The spelling of 242693487 in words is "two hundred forty-two million, six hundred ninety-three thousand, four hundred eighty-seven".