348016657 has 4 divisors (see below), whose sum is σ = 363147840. Its totient is φ = 332885476.

The previous prime is 348016649. The next prime is 348016679. The reversal of 348016657 is 756610843.

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.

It is a cyclic number.

It is not a de Polignac number, because 348016657 - 2³ = 348016649 is a prime.

It is a super-2 number, since 2×348016657² = 242231187098911298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348016607) 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, 7565557 + ... + 7565602.

It is an arithmetic number, because the mean of its divisors is an integer number (90786960).

Almost surely, 2^348016657 is an apocalyptic number.

It is an amenable number.

348016657 is a deficient number, since it is larger than the sum of its proper divisors (15131183).

348016657 is a wasteful number, since it uses less digits than its factorization.

348016657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15131182.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 348016657 is about 18655.2045552977. The cubic root of 348016657 is about 703.3961879144.

The spelling of 348016657 in words is "three hundred forty-eight million, sixteen thousand, six hundred fifty-seven".