342934789 has 4 divisors (see below), whose sum is σ = 343156320. Its totient is φ = 342713260.

The previous prime is 342934777. The next prime is 342934811. The reversal of 342934789 is 987439243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342934789 - 2⁷ = 342934661 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342934769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108427 + ... + 111544.

It is an arithmetic number, because the mean of its divisors is an integer number (85789080).

Almost surely, 2^342934789 is an apocalyptic number.

It is an amenable number.

342934789 is a deficient number, since it is larger than the sum of its proper divisors (221531).

342934789 is a wasteful number, since it uses less digits than its factorization.

342934789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221530.

The product of its digits is 1306368, while the sum is 49.

The square root of 342934789 is about 18518.4985622485. The cubic root of 342934789 is about 699.9556359639.

The spelling of 342934789 in words is "three hundred forty-two million, nine hundred thirty-four thousand, seven hundred eighty-nine".