340945027 has 4 divisors (see below), whose sum is σ = 344775960. Its totient is φ = 337114096.

The previous prime is 340945001. The next prime is 340945039. The reversal of 340945027 is 720549043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720549043 = 8681 ⋅83003.

It is a cyclic number.

It is not a de Polignac number, because 340945027 - 2¹⁵ = 340912259 is a prime.

It is a super-2 number, since 2×340945027² = 232487022872061458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340944983 and 340945001.

It is not an unprimeable number, because it can be changed into a prime (340945067) 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, 1915333 + ... + 1915510.

It is an arithmetic number, because the mean of its divisors is an integer number (86193990).

Almost surely, 2^340945027 is an apocalyptic number.

340945027 is a deficient number, since it is larger than the sum of its proper divisors (3830933).

340945027 is an equidigital number, since it uses as much as digits as its factorization.

340945027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830932.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 340945027 is about 18464.6967751978. The cubic root of 340945027 is about 698.5992580849.

The spelling of 340945027 in words is "three hundred forty million, nine hundred forty-five thousand, twenty-seven".