340302404 has 12 divisors (see below), whose sum is σ = 641339244. Its totient is φ = 157062624.

The previous prime is 340302401. The next prime is 340302409. The reversal of 340302404 is 404203043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 177688900 + 162613504 = 13330^2 + 12752^2 .

It is not an unprimeable number, because it can be changed into a prime (340302401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272087 + ... + 3272190.

It is an arithmetic number, because the mean of its divisors is an integer number (53444937).

Almost surely, 2^340302404 is an apocalyptic number.

It is an amenable number.

340302404 is a deficient number, since it is larger than the sum of its proper divisors (301036840).

340302404 is a wasteful number, since it uses less digits than its factorization.

340302404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544294 (or 6544292 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 340302404 is about 18447.2871718310. The cubic root of 340302404 is about 698.1600687073.

Adding to 340302404 its reverse (404203043), we get a palindrome (744505447).

The spelling of 340302404 in words is "three hundred forty million, three hundred two thousand, four hundred four".