340402608 has 240 divisors, whose sum is σ = 1225025760. Its totient is φ = 89703936.

The previous prime is 340402607. The next prime is 340402649. The reversal of 340402608 is 806204043.

340402608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (340402607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274566 + ... + 275802.

It is an arithmetic number, because the mean of its divisors is an integer number (5104274).

Almost surely, 2^340402608 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 340402608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612512880).

340402608 is an abundant number, since it is smaller than the sum of its proper divisors (884623152).

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

340402608 is a wasteful number, since it uses less digits than its factorization.

340402608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 340402608 is about 18450.0029268290. The cubic root of 340402608 is about 698.2285877317.

The spelling of 340402608 in words is "three hundred forty million, four hundred two thousand, six hundred eight".