406507343 has 8 divisors (see below), whose sum is σ = 443620560. Its totient is φ = 369420480.

The previous prime is 406507303. The next prime is 406507351. The reversal of 406507343 is 343705604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406507343 - 2¹⁰ = 406506319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406507303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40073 + ... + 49181.

It is an arithmetic number, because the mean of its divisors is an integer number (55452570).

Almost surely, 2^406507343 is an apocalyptic number.

406507343 is a deficient number, since it is larger than the sum of its proper divisors (37113217).

406507343 is a wasteful number, since it uses less digits than its factorization.

406507343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 406507343 is about 20162.0272542222. The cubic root of 406507343 is about 740.7803692462.

The spelling of 406507343 in words is "four hundred six million, five hundred seven thousand, three hundred forty-three".