242599389 has 8 divisors (see below), whose sum is σ = 323859360. Its totient is φ = 161536176.

The previous prime is 242599387. The next prime is 242599411. The reversal of 242599389 is 983995242.

It is a happy number.

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

It is not a de Polignac number, because 242599389 - 2¹ = 242599387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242599387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46287 + ... + 51260.

It is an arithmetic number, because the mean of its divisors is an integer number (40482420).

Almost surely, 2^242599389 is an apocalyptic number.

It is an amenable number.

242599389 is a deficient number, since it is larger than the sum of its proper divisors (81259971).

242599389 is an equidigital number, since it uses as much as digits as its factorization.

242599389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98379.

The product of its digits is 1399680, while the sum is 51.

The square root of 242599389 is about 15575.6023639537. The cubic root of 242599389 is about 623.6820346480.

The spelling of 242599389 in words is "two hundred forty-two million, five hundred ninety-nine thousand, three hundred eighty-nine".