340344004 has 72 divisors (see below), whose sum is σ = 814036608. Its totient is φ = 122391360.

The previous prime is 340344001. The next prime is 340344047. The reversal of 340344004 is 400443043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (340344001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21957 + ... + 34099.

It is an arithmetic number, because the mean of its divisors is an integer number (11306064).

Almost surely, 2^340344004 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 340344004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407018304).

340344004 is an abundant number, since it is smaller than the sum of its proper divisors (473692604).

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

340344004 is a wasteful number, since it uses less digits than its factorization.

340344004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12176 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 340344004 is about 18448.4146744375. The cubic root of 340344004 is about 698.1885162245.

Adding to 340344004 its reverse (400443043), we get a palindrome (740787047).

The spelling of 340344004 in words is "three hundred forty million, three hundred forty-four thousand, four".