340340893 has 4 divisors (see below), whose sum is σ = 343849660. Its totient is φ = 336832128.

The previous prime is 340340887. The next prime is 340340921. The reversal of 340340893 is 398043043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 181656484 + 158684409 = 13478^2 + 12597^2 .

It is a cyclic number.

It is not a de Polignac number, because 340340893 - 2²⁵ = 306786461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340340813) 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, 1754238 + ... + 1754431.

It is an arithmetic number, because the mean of its divisors is an integer number (85962415).

Almost surely, 2^340340893 is an apocalyptic number.

It is an amenable number.

340340893 is a deficient number, since it is larger than the sum of its proper divisors (3508767).

340340893 is an equidigital number, since it uses as much as digits as its factorization.

340340893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508766.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 340340893 is about 18448.3303580568. The cubic root of 340340893 is about 698.1863888954.

The spelling of 340340893 in words is "three hundred forty million, three hundred forty thousand, eight hundred ninety-three".