340323984 has 320 divisors, whose sum is σ = 1313249280. Its totient is φ = 81492480.

The previous prime is 340323979. The next prime is 340324007. The reversal of 340323984 is 489323043.

It is a happy number.

340323984 is a `hidden beast` number, since 340 + 3 + 239 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432039 + ... + 432825.

It is an arithmetic number, because the mean of its divisors is an integer number (4103904).

Almost surely, 2^340323984 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 340323984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656624640).

340323984 is an abundant number, since it is smaller than the sum of its proper divisors (972925296).

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

340323984 is a wasteful number, since it uses less digits than its factorization.

340323984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 340323984 is about 18447.8720724099. The cubic root of 340323984 is about 698.1748261462.

The spelling of 340323984 in words is "three hundred forty million, three hundred twenty-three thousand, nine hundred eighty-four".