242399965 has 8 divisors (see below), whose sum is σ = 292259808. Its totient is φ = 193000080.

The previous prime is 242399959. The next prime is 242400001. The reversal of 242399965 is 569993242.

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

It is not a de Polignac number, because 242399965 - 2⁵ = 242399933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113827 + ... + 115936.

It is an arithmetic number, because the mean of its divisors is an integer number (36532476).

Almost surely, 2^242399965 is an apocalyptic number.

It is an amenable number.

242399965 is a deficient number, since it is larger than the sum of its proper divisors (49859843).

242399965 is a wasteful number, since it uses less digits than its factorization.

242399965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229979.

The product of its digits is 1049760, while the sum is 49.

The square root of 242399965 is about 15569.1992408088. The cubic root of 242399965 is about 623.5110926645.

The spelling of 242399965 in words is "two hundred forty-two million, three hundred ninety-nine thousand, nine hundred sixty-five".