242932989 has 16 divisors (see below), whose sum is σ = 356251392. Its totient is φ = 146315328.

The previous prime is 242932981. The next prime is 242932997. The reversal of 242932989 is 989239242.

It is an interprime number because it is at equal distance from previous prime (242932981) and next prime (242932997).

It is not a de Polignac number, because 242932989 - 2³ = 242932981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242932981) 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, 64434 + ... + 68099.

It is an arithmetic number, because the mean of its divisors is an integer number (22265712).

Almost surely, 2^242932989 is an apocalyptic number.

It is an amenable number.

242932989 is a deficient number, since it is larger than the sum of its proper divisors (113318403).

242932989 is a wasteful number, since it uses less digits than its factorization.

242932989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132596.

The product of its digits is 559872, while the sum is 48.

The square root of 242932989 is about 15586.3077410912. The cubic root of 242932989 is about 623.9677801206.

The spelling of 242932989 in words is "two hundred forty-two million, nine hundred thirty-two thousand, nine hundred eighty-nine".