348965647 has 32 divisors (see below), whose sum is σ = 402554880. Its totient is φ = 300464640.

The previous prime is 348965641. The next prime is 348965699. The reversal of 348965647 is 746569843.

It is a cyclic number.

It is not a de Polignac number, because 348965647 - 2¹⁵ = 348932879 is a prime.

It is a super-2 number, since 2×348965647² = 243554045572257218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348965594 and 348965603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348965641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1927897 + ... + 1928077.

It is an arithmetic number, because the mean of its divisors is an integer number (12579840).

Almost surely, 2^348965647 is an apocalyptic number.

348965647 is a deficient number, since it is larger than the sum of its proper divisors (53589233).

348965647 is a wasteful number, since it uses less digits than its factorization.

348965647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its digits is 4354560, while the sum is 52.

The square root of 348965647 is about 18680.6222326774. The cubic root of 348965647 is about 704.0349601430.

The spelling of 348965647 in words is "three hundred forty-eight million, nine hundred sixty-five thousand, six hundred forty-seven".