405366343 has 4 divisors (see below), whose sum is σ = 429211440. Its totient is φ = 381521248.

The previous prime is 405366337. The next prime is 405366359. The reversal of 405366343 is 343663504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405366343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405366299 and 405366308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405361343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11922523 + ... + 11922556.

It is an arithmetic number, because the mean of its divisors is an integer number (107302860).

Almost surely, 2^405366343 is an apocalyptic number.

405366343 is a deficient number, since it is larger than the sum of its proper divisors (23845097).

405366343 is a wasteful number, since it uses less digits than its factorization.

405366343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23845096.

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 405366343 is about 20133.7116051661. The cubic root of 405366343 is about 740.0866364355.

The spelling of 405366343 in words is "four hundred five million, three hundred sixty-six thousand, three hundred forty-three".