340256433 has 8 divisors (see below), whose sum is σ = 494918496. Its totient is φ = 206216000.

The previous prime is 340256419. The next prime is 340256443. The reversal of 340256433 is 334652043.

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 340256433 - 2¹⁷ = 340125361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340256433.

It is not an unprimeable number, because it can be changed into a prime (340256443) 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, 5155368 + ... + 5155433.

It is an arithmetic number, because the mean of its divisors is an integer number (61864812).

Almost surely, 2^340256433 is an apocalyptic number.

340256433 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

340256433 is a deficient number, since it is larger than the sum of its proper divisors (154662063).

340256433 is a wasteful number, since it uses less digits than its factorization.

340256433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310815.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 340256433 is about 18446.0411199802. The cubic root of 340256433 is about 698.1286294526.

The spelling of 340256433 in words is "three hundred forty million, two hundred fifty-six thousand, four hundred thirty-three".