346648 has 8 divisors (see below), whose sum is σ = 649980. Its totient is φ = 173320.

The previous prime is 346639. The next prime is 346649. The reversal of 346648 is 846643.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21658 + ... + 21673.

2³⁴⁶⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

346648 is a deficient number, since it is larger than the sum of its proper divisors (303332).

346648 is a wasteful number, since it uses less digits than its factorization.

346648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43337 (or 43333 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 346648 is about 588.7682056633. The cubic root of 346648 is about 70.2472886413.

The spelling of 346648 in words is "three hundred forty-six thousand, six hundred forty-eight".