342989547 has 8 divisors (see below), whose sum is σ = 477202944. Its totient is φ = 218717928.

The previous prime is 342989527. The next prime is 342989557. The reversal of 342989547 is 745989243.

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

It is not a de Polignac number, because 342989547 - 2⁶ = 342989483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342989547.

It is not an unprimeable number, because it can be changed into a prime (342989527) 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, 2485363 + ... + 2485500.

It is an arithmetic number, because the mean of its divisors is an integer number (59650368).

Almost surely, 2^342989547 is an apocalyptic number.

342989547 is a deficient number, since it is larger than the sum of its proper divisors (134213397).

342989547 is a wasteful number, since it uses less digits than its factorization.

342989547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970889.

The product of its digits is 2177280, while the sum is 51.

The square root of 342989547 is about 18519.9769708280. The cubic root of 342989547 is about 699.9928890434.

The spelling of 342989547 in words is "three hundred forty-two million, nine hundred eighty-nine thousand, five hundred forty-seven".