340505633 has 8 divisors (see below), whose sum is σ = 367147200. Its totient is φ = 313928208.

The previous prime is 340505629. The next prime is 340505657. The reversal of 340505633 is 336505043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340505633 - 2² = 340505629 is a prime.

It is a super-2 number, since 2×340505633² = 231888172209461378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340505596 and 340505605.

It is not an unprimeable number, because it can be changed into a prime (340505603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703 + ... + 26516.

It is an arithmetic number, because the mean of its divisors is an integer number (45893400).

Almost surely, 2^340505633 is an apocalyptic number.

It is an amenable number.

340505633 is a deficient number, since it is larger than the sum of its proper divisors (26641567).

340505633 is a wasteful number, since it uses less digits than its factorization.

340505633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32071.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 340505633 is about 18452.7947205837. The cubic root of 340505633 is about 698.2990217242.

The spelling of 340505633 in words is "three hundred forty million, five hundred five thousand, six hundred thirty-three".