348642817 has 16 divisors (see below), whose sum is σ = 375624000. Its totient is φ = 322417152.

The previous prime is 348642779. The next prime is 348642821. The reversal of 348642817 is 718246843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348642817 is a prime.

It is a Duffinian number.

Its product of digits (258048) is a multiple of the sum of its prime divisors (1152).

It is not an unprimeable number, because it can be changed into a prime (348642857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618978 + ... + 619540.

It is an arithmetic number, because the mean of its divisors is an integer number (23476500).

Almost surely, 2^348642817 is an apocalyptic number.

It is an amenable number.

348642817 is a deficient number, since it is larger than the sum of its proper divisors (26981183).

348642817 is a wasteful number, since it uses less digits than its factorization.

348642817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 258048, while the sum is 43.

The square root of 348642817 is about 18671.9794612141. The cubic root of 348642817 is about 703.8177909829.

The spelling of 348642817 in words is "three hundred forty-eight million, six hundred forty-two thousand, eight hundred seventeen".