348638417 has 4 divisors (see below), whose sum is σ = 352023360. Its totient is φ = 345253476.

The previous prime is 348638413. The next prime is 348638443. The reversal of 348638417 is 714836843.

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.

It is a cyclic number.

It is not a de Polignac number, because 348638417 - 2² = 348638413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348638413) 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, 1692317 + ... + 1692522.

It is an arithmetic number, because the mean of its divisors is an integer number (88005840).

Almost surely, 2^348638417 is an apocalyptic number.

It is an amenable number.

348638417 is a deficient number, since it is larger than the sum of its proper divisors (3384943).

348638417 is a wasteful number, since it uses less digits than its factorization.

348638417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384942.

The product of its digits is 387072, while the sum is 44.

The square root of 348638417 is about 18671.8616372337. The cubic root of 348638417 is about 703.8148301577.

The spelling of 348638417 in words is "three hundred forty-eight million, six hundred thirty-eight thousand, four hundred seventeen".