340663648 has 48 divisors (see below), whose sum is σ = 735947856. Its totient is φ = 154252800.

The previous prime is 340663627. The next prime is 340663651. The reversal of 340663648 is 846366043.

It is a self number, because there is not a number n which added to its sum of digits gives 340663648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14323 + ... + 29773.

It is an arithmetic number, because the mean of its divisors is an integer number (15332247).

Almost surely, 2^340663648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340663648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367973928).

340663648 is an abundant number, since it is smaller than the sum of its proper divisors (395284208).

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

340663648 is a wasteful number, since it uses less digits than its factorization.

340663648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527 (or 15519 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 340663648 is about 18457.0758247345. The cubic root of 340663648 is about 698.4070225375.

The spelling of 340663648 in words is "three hundred forty million, six hundred sixty-three thousand, six hundred forty-eight".