342953447 has 4 divisors (see below), whose sum is σ = 343127520. Its totient is φ = 342779376.

The previous prime is 342953441. The next prime is 342953459. The reversal of 342953447 is 744359243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342953447 - 2⁴ = 342953431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342953441) 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, 84047 + ... + 88032.

It is an arithmetic number, because the mean of its divisors is an integer number (85781880).

Almost surely, 2^342953447 is an apocalyptic number.

342953447 is a deficient number, since it is larger than the sum of its proper divisors (174073).

342953447 is a wasteful number, since it uses less digits than its factorization.

342953447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174072.

The product of its digits is 362880, while the sum is 41.

The square root of 342953447 is about 18519.0023219395. The cubic root of 342953447 is about 699.9683298597.

The spelling of 342953447 in words is "three hundred forty-two million, nine hundred fifty-three thousand, four hundred forty-seven".