340300443 has 12 divisors (see below), whose sum is σ = 527813160. Its totient is φ = 194457312.

The previous prime is 340300427. The next prime is 340300459. The reversal of 340300443 is 344003043.

It is an interprime number because it is at equal distance from previous prime (340300427) and next prime (340300459).

It is not a de Polignac number, because 340300443 - 2⁴ = 340300427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (340300043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1157338 + ... + 1157631.

It is an arithmetic number, because the mean of its divisors is an integer number (43984430).

Almost surely, 2^340300443 is an apocalyptic number.

340300443 is a deficient number, since it is larger than the sum of its proper divisors (187512717).

340300443 is a wasteful number, since it uses less digits than its factorization.

340300443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314986 (or 2314979 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 340300443 is about 18447.2340203078. The cubic root of 340300443 is about 698.1587276506.

Adding to 340300443 its reverse (344003043), we get a palindrome (684303486).

The spelling of 340300443 in words is "three hundred forty million, three hundred thousand, four hundred forty-three".