340499808 has 144 divisors (see below), whose sum is σ = 1091951280. Its totient is φ = 103150080.

The previous prime is 340499801. The next prime is 340499837. The reversal of 340499808 is 808994043.

It is a happy number.

340499808 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340499801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102916 + ... + 106172.

It is an arithmetic number, because the mean of its divisors is an integer number (7582995).

Almost surely, 2^340499808 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 340499808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545975640).

340499808 is an abundant number, since it is smaller than the sum of its proper divisors (751451472).

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

340499808 is a wasteful number, since it uses less digits than its factorization.

340499808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 340499808 is about 18452.6368847382. The cubic root of 340499808 is about 698.2950397881.

The spelling of 340499808 in words is "three hundred forty million, four hundred ninety-nine thousand, eight hundred eight".