340211403 has 24 divisors (see below), whose sum is σ = 562150368. Its totient is φ = 194222592.

The previous prime is 340211381. The next prime is 340211419. The reversal of 340211403 is 304112043.

It is not a de Polignac number, because 340211403 - 2⁵ = 340211371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340211303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92251 + ... + 95867.

It is an arithmetic number, because the mean of its divisors is an integer number (23422932).

Almost surely, 2^340211403 is an apocalyptic number.

340211403 is a deficient number, since it is larger than the sum of its proper divisors (221938965).

340211403 is a wasteful number, since it uses less digits than its factorization.

340211403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123 (or 5120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 340211403 is about 18444.8204924851. The cubic root of 340211403 is about 698.0978309959.

Adding to 340211403 its reverse (304112043), we get a palindrome (644323446).

The spelling of 340211403 in words is "three hundred forty million, two hundred eleven thousand, four hundred three".