342249530 has 16 divisors (see below), whose sum is σ = 704056320. Its totient is φ = 117342672.

The previous prime is 342249521. The next prime is 342249539. The reversal of 342249530 is 35942243.

It is an interprime number because it is at equal distance from previous prime (342249521) and next prime (342249539).

It is not an unprimeable number, because it can be changed into a prime (342249539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2444570 + ... + 2444709.

It is an arithmetic number, because the mean of its divisors is an integer number (44003520).

Almost surely, 2^342249530 is an apocalyptic number.

342249530 is an abundant number, since it is smaller than the sum of its proper divisors (361806790).

342249530 is a wasteful number, since it uses less digits than its factorization.

342249530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889293.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 342249530 is about 18499.9872972929. The cubic root of 342249530 is about 699.4891034021.

The spelling of 342249530 in words is "three hundred forty-two million, two hundred forty-nine thousand, five hundred thirty".