348617399 has 4 divisors (see below), whose sum is σ = 375434136. Its totient is φ = 321800664.

The previous prime is 348617389. The next prime is 348617431. The reversal of 348617399 is 993716843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993716843 = 7 ⋅141959549.

It is a cyclic number.

It is not a de Polignac number, because 348617399 - 2²⁸ = 80181943 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 (348617389) 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, 13408349 + ... + 13408374.

It is an arithmetic number, because the mean of its divisors is an integer number (93858534).

Almost surely, 2^348617399 is an apocalyptic number.

348617399 is a deficient number, since it is larger than the sum of its proper divisors (26816737).

348617399 is a wasteful number, since it uses less digits than its factorization.

348617399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26816736.

The product of its digits is 979776, while the sum is 50.

The square root of 348617399 is about 18671.2988032434. The cubic root of 348617399 is about 703.8006864904.

The spelling of 348617399 in words is "three hundred forty-eight million, six hundred seventeen thousand, three hundred ninety-nine".