340364213 has 16 divisors (see below), whose sum is σ = 406944000. Its totient is φ = 278500992.

The previous prime is 340364209. The next prime is 340364239. The reversal of 340364213 is 312463043.

It is a happy number.

It is not a de Polignac number, because 340364213 - 2² = 340364209 is a prime.

It is a super-3 number, since 3×340364213³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340364113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8648 + ... + 27486.

It is an arithmetic number, because the mean of its divisors is an integer number (25434000).

Almost surely, 2^340364213 is an apocalyptic number.

It is an amenable number.

340364213 is a deficient number, since it is larger than the sum of its proper divisors (66579787).

340364213 is a wasteful number, since it uses less digits than its factorization.

340364213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18964.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 340364213 is about 18448.9623827466. The cubic root of 340364213 is about 698.2023350003.

The spelling of 340364213 in words is "three hundred forty million, three hundred sixty-four thousand, two hundred thirteen".