342839953 has 4 divisors (see below), whose sum is σ = 344755440. Its totient is φ = 340924468.

The previous prime is 342839941. The next prime is 342839963. The reversal of 342839953 is 359938243.

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 342839953 - 2¹⁷ = 342708881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342839923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957475 + ... + 957832.

It is an arithmetic number, because the mean of its divisors is an integer number (86188860).

Almost surely, 2^342839953 is an apocalyptic number.

It is an amenable number.

342839953 is a deficient number, since it is larger than the sum of its proper divisors (1915487).

342839953 is a wasteful number, since it uses less digits than its factorization.

342839953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915486.

The product of its digits is 699840, while the sum is 46.

The square root of 342839953 is about 18515.9378104378. The cubic root of 342839953 is about 699.8911075513.

The spelling of 342839953 in words is "three hundred forty-two million, eight hundred thirty-nine thousand, nine hundred fifty-three".