340801843 has 4 divisors (see below), whose sum is σ = 340931088. Its totient is φ = 340672600.

The previous prime is 340801751. The next prime is 340801847. The reversal of 340801843 is 348108043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340801843 - 2²⁵ = 307247411 is a prime.

It is a super-2 number, since 2×340801843² = 232291792384393298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340801847) 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, 60583 + ... + 65968.

It is an arithmetic number, because the mean of its divisors is an integer number (85232772).

Almost surely, 2^340801843 is an apocalyptic number.

340801843 is a deficient number, since it is larger than the sum of its proper divisors (129245).

340801843 is a wasteful number, since it uses less digits than its factorization.

340801843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129244.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 340801843 is about 18460.8191313387. The cubic root of 340801843 is about 698.5014493139.

Adding to 340801843 its reverse (348108043), we get a palindrome (688909886).

The spelling of 340801843 in words is "three hundred forty million, eight hundred one thousand, eight hundred forty-three".