340921033 has 4 divisors (see below), whose sum is σ = 348174720. Its totient is φ = 333667348.

The previous prime is 340921003. The next prime is 340921051. The reversal of 340921033 is 330129043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330129043 = 9901 ⋅33343.

It is a cyclic number.

It is not a de Polignac number, because 340921033 - 2²⁵ = 307366601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340920989 and 340921007.

It is not an unprimeable number, because it can be changed into a prime (340921003) 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 3 ways as a sum of consecutive naturals, for example, 3626773 + ... + 3626866.

It is an arithmetic number, because the mean of its divisors is an integer number (87043680).

Almost surely, 2^340921033 is an apocalyptic number.

It is an amenable number.

340921033 is a deficient number, since it is larger than the sum of its proper divisors (7253687).

340921033 is an equidigital number, since it uses as much as digits as its factorization.

340921033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253686.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 340921033 is about 18464.0470374184. The cubic root of 340921033 is about 698.5828697304.

It can be divided in two parts, 3409 and 21033, that added together give a palindrome (24442).

The spelling of 340921033 in words is "three hundred forty million, nine hundred twenty-one thousand, thirty-three".