340004320 has 48 divisors (see below), whose sum is σ = 804792240. Its totient is φ = 135742464.

The previous prime is 340004299. The next prime is 340004347. The reversal of 340004320 is 23400043.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 340004294 and 340004303.

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, 97324 + ... + 100756.

It is an arithmetic number, because the mean of its divisors is an integer number (16766505).

Almost surely, 2^340004320 is an apocalyptic number.

It is an amenable number.

340004320 is an abundant number, since it is smaller than the sum of its proper divisors (464787920).

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

340004320 is a wasteful number, since it uses less digits than its factorization.

340004320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 340004320 is about 18439.2060566609. The cubic root of 340004320 is about 697.9561607155.

Adding to 340004320 its reverse (23400043), we get a palindrome (363404363).

The spelling of 340004320 in words is "three hundred forty million, four thousand, three hundred twenty".