342709243 has 8 divisors (see below), whose sum is σ = 345823200. Its totient is φ = 339609600.

The previous prime is 342709187. The next prime is 342709253. The reversal of 342709243 is 342907243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342709243 - 2²¹ = 340612091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342709199 and 342709208.

It is not an unprimeable number, because it can be changed into a prime (342709253) 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, 47793 + ... + 54493.

It is an arithmetic number, because the mean of its divisors is an integer number (43227900).

Almost surely, 2^342709243 is an apocalyptic number.

342709243 is a deficient number, since it is larger than the sum of its proper divisors (3113957).

342709243 is a wasteful number, since it uses less digits than its factorization.

342709243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 342709243 is about 18512.4078120595. The cubic root of 342709243 is about 699.8021502069.

The spelling of 342709243 in words is "three hundred forty-two million, seven hundred nine thousand, two hundred forty-three".