348609813 has 4 divisors (see below), whose sum is σ = 464813088. Its totient is φ = 232406540.

The previous prime is 348609809. The next prime is 348609817. The reversal of 348609813 is 318906843.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 318906843 = 3 ⋅106302281.

It is an interprime number because it is at equal distance from previous prime (348609809) and next prime (348609817).

It is a cyclic number.

It is not a de Polignac number, because 348609813 - 2² = 348609809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348609817) 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, 58101633 + ... + 58101638.

It is an arithmetic number, because the mean of its divisors is an integer number (116203272).

Almost surely, 2^348609813 is an apocalyptic number.

It is an amenable number.

348609813 is a deficient number, since it is larger than the sum of its proper divisors (116203275).

348609813 is a wasteful number, since it uses less digits than its factorization.

348609813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116203274.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 348609813 is about 18671.0956561205. The cubic root of 348609813 is about 703.7955814949.

The spelling of 348609813 in words is "three hundred forty-eight million, six hundred nine thousand, eight hundred thirteen".