242436399 has 16 divisors (see below), whose sum is σ = 348186624. Its totient is φ = 149608800.

The previous prime is 242436379. The next prime is 242436401. The reversal of 242436399 is 993634242.

It is not a de Polignac number, because 242436399 - 2⁹ = 242435887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242436399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242436379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54532 + ... + 58809.

It is an arithmetic number, because the mean of its divisors is an integer number (21761664).

Almost surely, 2^242436399 is an apocalyptic number.

242436399 is a deficient number, since it is larger than the sum of its proper divisors (105750225).

242436399 is a wasteful number, since it uses less digits than its factorization.

242436399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113398.

The product of its digits is 279936, while the sum is 42.

The square root of 242436399 is about 15570.3692634439. The cubic root of 242436399 is about 623.5423301072.

The spelling of 242436399 in words is "two hundred forty-two million, four hundred thirty-six thousand, three hundred ninety-nine".