340988648 has 192 divisors, whose sum is σ = 893760000. Its totient is φ = 121080960.

The previous prime is 340988629. The next prime is 340988663. The reversal of 340988648 is 846889043.

It is a junction number, because it is equal to n+sod(n) for n = 340988596 and 340988605.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4316273 + ... + 4316351.

It is an arithmetic number, because the mean of its divisors is an integer number (4655000).

Almost surely, 2^340988648 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 340988648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446880000).

340988648 is an abundant number, since it is smaller than the sum of its proper divisors (552771352).

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

340988648 is a wasteful number, since it uses less digits than its factorization.

340988648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 340988648 is about 18465.8779374283. The cubic root of 340988648 is about 698.6290500809.

The spelling of 340988648 in words is "three hundred forty million, nine hundred eighty-eight thousand, six hundred forty-eight".