242399958 has 16 divisors (see below), whose sum is σ = 484999536. Its totient is φ = 80766720.

The previous prime is 242399953. The next prime is 242399959. The reversal of 242399958 is 859993242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242399958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242399953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10878 + ... + 24558.

It is an arithmetic number, because the mean of its divisors is an integer number (30312471).

Almost surely, 2^242399958 is an apocalyptic number.

242399958 is an abundant number, since it is smaller than the sum of its proper divisors (242599578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242399958 is a wasteful number, since it uses less digits than its factorization.

242399958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16639.

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

The square root of 242399958 is about 15569.1990160059. The cubic root of 242399958 is about 623.5110866626.

The spelling of 242399958 in words is "two hundred forty-two million, three hundred ninety-nine thousand, nine hundred fifty-eight".