346648449 has 32 divisors (see below), whose sum is σ = 547613440. Its totient is φ = 190916352.

The previous prime is 346648447. The next prime is 346648451. The reversal of 346648449 is 944846643.

It is an interprime number because it is at equal distance from previous prime (346648447) and next prime (346648451).

It is not a de Polignac number, because 346648449 - 2¹ = 346648447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346648398 and 346648407.

It is not an unprimeable number, because it can be changed into a prime (346648441) 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, 82647 + ... + 86739.

It is an arithmetic number, because the mean of its divisors is an integer number (17112920).

Almost surely, 2^346648449 is an apocalyptic number.

It is an amenable number.

346648449 is a deficient number, since it is larger than the sum of its proper divisors (200964991).

346648449 is a wasteful number, since it uses less digits than its factorization.

346648449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249.

The product of its digits is 1990656, while the sum is 48.

The square root of 346648449 is about 18618.4974957702. The cubic root of 346648449 is about 702.4731897081.

It can be divided in two parts, 3466 and 48449, that added together give a palindrome (51915).

The spelling of 346648449 in words is "three hundred forty-six million, six hundred forty-eight thousand, four hundred forty-nine".