348658969 has 4 divisors (see below), whose sum is σ = 352111140. Its totient is φ = 345206800.

The previous prime is 348658943. The next prime is 348658997. The reversal of 348658969 is 969856843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 282643344 + 66015625 = 16812^2 + 8125^2 .

It is a cyclic number.

It is not a de Polignac number, because 348658969 - 2⁷ = 348658841 is a prime.

It is a super-2 number, since 2×348658969² = 243126153328285922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348658069) 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, 1725934 + ... + 1726135.

It is an arithmetic number, because the mean of its divisors is an integer number (88027785).

Almost surely, 2^348658969 is an apocalyptic number.

It is an amenable number.

348658969 is a deficient number, since it is larger than the sum of its proper divisors (3452171).

348658969 is a wasteful number, since it uses less digits than its factorization.

348658969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452170.

The product of its digits is 11197440, while the sum is 58.

The square root of 348658969 is about 18672.4119759607. The cubic root of 348658969 is about 703.8286596895.

It can be divided in two parts, 34865 and 8969, that added together give a palindrome (43834).

The spelling of 348658969 in words is "three hundred forty-eight million, six hundred fifty-eight thousand, nine hundred sixty-nine".