348512789 has 8 divisors (see below), whose sum is σ = 355410720. Its totient is φ = 341626896.

The previous prime is 348512783. The next prime is 348512797. The reversal of 348512789 is 987215843.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348512789 is a prime.

It is a super-2 number, since 2×348512789² = 242922328193117042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348512783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75074 + ... + 79580.

It is an arithmetic number, because the mean of its divisors is an integer number (44426340).

Almost surely, 2^348512789 is an apocalyptic number.

It is an amenable number.

348512789 is a deficient number, since it is larger than the sum of its proper divisors (6897931).

348512789 is a wasteful number, since it uses less digits than its factorization.

348512789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019.

The product of its digits is 483840, while the sum is 47.

The square root of 348512789 is about 18668.4972346464. The cubic root of 348512789 is about 703.7302827035.

The spelling of 348512789 in words is "three hundred forty-eight million, five hundred twelve thousand, seven hundred eighty-nine".