348989729 has 8 divisors (see below), whose sum is σ = 380930688. Its totient is φ = 317084560.

The previous prime is 348989717. The next prime is 348989743. The reversal of 348989729 is 927989843.

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 348989729 - 2²⁸ = 80554273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348989749) 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, 14024 + ... + 29910.

It is an arithmetic number, because the mean of its divisors is an integer number (47616336).

Almost surely, 2^348989729 is an apocalyptic number.

It is an amenable number.

348989729 is a deficient number, since it is larger than the sum of its proper divisors (31940959).

348989729 is a wasteful number, since it uses less digits than its factorization.

348989729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17895.

The product of its digits is 7838208, while the sum is 59.

The square root of 348989729 is about 18681.2667932343. The cubic root of 348989729 is about 704.0511548411.

The spelling of 348989729 in words is "three hundred forty-eight million, nine hundred eighty-nine thousand, seven hundred twenty-nine".