340804913 has 4 divisors (see below), whose sum is σ = 340869120. Its totient is φ = 340740708.

The previous prime is 340804903. The next prime is 340804927. The reversal of 340804913 is 319408043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340804913 - 2¹⁴ = 340788529 is a prime.

It is a super-2 number, since 2×340804913² = 232295977449875138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340804913.

It is not an unprimeable number, because it can be changed into a prime (340804903) 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, 23345 + ... + 35022.

It is an arithmetic number, because the mean of its divisors is an integer number (85217280).

Almost surely, 2^340804913 is an apocalyptic number.

It is an amenable number.

340804913 is a deficient number, since it is larger than the sum of its proper divisors (64207).

340804913 is an equidigital number, since it uses as much as digits as its factorization.

340804913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64206.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 340804913 is about 18460.9022802246. The cubic root of 340804913 is about 698.5035467136.

The spelling of 340804913 in words is "three hundred forty million, eight hundred four thousand, nine hundred thirteen".