340004442 has 16 divisors (see below), whose sum is σ = 686612160. Its totient is φ = 112234272.

The previous prime is 340004429. The next prime is 340004443. The reversal of 340004442 is 244400043.

It is not an unprimeable number, because it can be changed into a prime (340004443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274467 + ... + 275702.

It is an arithmetic number, because the mean of its divisors is an integer number (42913260).

Almost surely, 2^340004442 is an apocalyptic number.

340004442 is an abundant number, since it is smaller than the sum of its proper divisors (346607718).

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

340004442 is a wasteful number, since it uses less digits than its factorization.

340004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550277.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 340004442 is about 18439.2093648291. The cubic root of 340004442 is about 697.9562441954.

Adding to 340004442 its reverse (244400043), we get a palindrome (584404485).

The spelling of 340004442 in words is "three hundred forty million, four thousand, four hundred forty-two".