349452648 has 24 divisors (see below), whose sum is σ = 946434450. Its totient is φ = 116484192.

The previous prime is 349452643. The next prime is 349452673. The reversal of 349452648 is 846254943.

349452648 is a `hidden beast` number, since 34 + 94 + 526 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 326814084 + 22638564 = 18078^2 + 4758^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (349452643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2426683 + ... + 2426826.

Almost surely, 2^349452648 is an apocalyptic number.

It is an amenable number.

349452648 is an abundant number, since it is smaller than the sum of its proper divisors (596981802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349452648 is a wasteful number, since it uses less digits than its factorization.

349452648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853521 (or 4853514 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 349452648 is about 18693.6526125848. The cubic root of 349452648 is about 704.3623145784.

The spelling of 349452648 in words is "three hundred forty-nine million, four hundred fifty-two thousand, six hundred forty-eight".