406885343 has 4 divisors (see below), whose sum is σ = 408193968. Its totient is φ = 405576720.

The previous prime is 406885333. The next prime is 406885363. The reversal of 406885343 is 343588604.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 406885343 - 2⁶ = 406885279 is a prime.

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 406885343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406885333) 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, 653846 + ... + 654467.

It is an arithmetic number, because the mean of its divisors is an integer number (102048492).

Almost surely, 2^406885343 is an apocalyptic number.

406885343 is a deficient number, since it is larger than the sum of its proper divisors (1308625).

406885343 is a wasteful number, since it uses less digits than its factorization.

406885343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308624.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 406885343 is about 20171.3991334265. The cubic root of 406885343 is about 741.0099085452.

The spelling of 406885343 in words is "four hundred six million, eight hundred eighty-five thousand, three hundred forty-three".