340433405 has 16 divisors (see below), whose sum is σ = 443847600. Its totient is φ = 249166848.

The previous prime is 340433389. The next prime is 340433417. The reversal of 340433405 is 504334043.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 162664516 + 177768889 = 12754^2 + 13333^2 .

It is a cyclic number.

It is not a de Polignac number, because 340433405 - 2⁴ = 340433389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15830 + ... + 30519.

It is an arithmetic number, because the mean of its divisors is an integer number (27740475).

Almost surely, 2^340433405 is an apocalyptic number.

It is an amenable number.

340433405 is a deficient number, since it is larger than the sum of its proper divisors (103414195).

340433405 is a wasteful number, since it uses less digits than its factorization.

340433405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46480.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 340433405 is about 18450.8375148664. The cubic root of 340433405 is about 698.2496438741.

Adding to 340433405 its reverse (504334043), we get a palindrome (844767448).

The spelling of 340433405 in words is "three hundred forty million, four hundred thirty-three thousand, four hundred five".