342687429 has 30 divisors (see below), whose sum is σ = 595500774. Its totient is φ = 195819120.

The previous prime is 342687427. The next prime is 342687431. The reversal of 342687429 is 924786243.

It is an interprime number because it is at equal distance from previous prime (342687427) and next prime (342687431).

It can be written as a sum of positive squares in only one way, i.e., 258084225 + 84603204 = 16065^2 + 9198^2 .

It is not a de Polignac number, because 342687429 - 2¹ = 342687427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342687427) 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 29 ways as a sum of consecutive naturals, for example, 39202 + ... + 47139.

Almost surely, 2^342687429 is an apocalyptic number.

It is an amenable number.

342687429 is a deficient number, since it is larger than the sum of its proper divisors (252813345).

342687429 is an equidigital number, since it uses as much as digits as its factorization.

342687429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86367 (or 86351 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 342687429 is about 18511.8186302697. The cubic root of 342687429 is about 699.7873020440.

The spelling of 342687429 in words is "three hundred forty-two million, six hundred eighty-seven thousand, four hundred twenty-nine".