348640 has 24 divisors (see below), whose sum is σ = 824040. Its totient is φ = 139392.

The previous prime is 348637. The next prime is 348643. The reversal of 348640 is 46843.

It is an interprime number because it is at equal distance from previous prime (348637) and next prime (348643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348643) 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, 930 + ... + 1249.

It is an arithmetic number, because the mean of its divisors is an integer number (34335).

2³⁴⁸⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

348640 is an abundant number, since it is smaller than the sum of its proper divisors (475400).

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

348640 is a wasteful number, since it uses less digits than its factorization.

348640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 348640 is about 590.4574497794. The cubic root of 348640 is about 70.3815895385.

The spelling of 348640 in words is "three hundred forty-eight thousand, six hundred forty".