342879397 has 8 divisors (see below), whose sum is σ = 393141056. Its totient is φ = 292937472.

The previous prime is 342879379. The next prime is 342879421. The reversal of 342879397 is 793978243.

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 342879397 - 2¹⁹ = 342355109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342879347) 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 7 ways as a sum of consecutive naturals, for example, 77628 + ... + 81925.

It is an arithmetic number, because the mean of its divisors is an integer number (49142632).

Almost surely, 2^342879397 is an apocalyptic number.

It is an amenable number.

342879397 is a deficient number, since it is larger than the sum of its proper divisors (50261659).

342879397 is a wasteful number, since it uses less digits than its factorization.

342879397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159867.

The product of its digits is 2286144, while the sum is 52.

The square root of 342879397 is about 18517.0029162389. The cubic root of 342879397 is about 699.9179475252.

The spelling of 342879397 in words is "three hundred forty-two million, eight hundred seventy-nine thousand, three hundred ninety-seven".