242997693 has 16 divisors (see below), whose sum is σ = 334152000. Its totient is φ = 156974720.

The previous prime is 242997637. The next prime is 242997719. The reversal of 242997693 is 396799242.

It is a cyclic number.

It is not a de Polignac number, because 242997693 - 2²⁶ = 175888829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242997613) 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, 11698 + ... + 24956.

It is an arithmetic number, because the mean of its divisors is an integer number (20884500).

Almost surely, 2^242997693 is an apocalyptic number.

It is an amenable number.

242997693 is a deficient number, since it is larger than the sum of its proper divisors (91154307).

242997693 is a wasteful number, since it uses less digits than its factorization.

242997693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452.

The product of its digits is 1469664, while the sum is 51.

The square root of 242997693 is about 15588.3832708848. The cubic root of 242997693 is about 624.0231721137.

The spelling of 242997693 in words is "two hundred forty-two million, nine hundred ninety-seven thousand, six hundred ninety-three".